Heritage, Volume 7, Issue 9 (September 2024) – 34 articles

A group of wall painting fragments discovered at Ulpia Traiana Sarmizegetusa, an important Roman archeological site located in the former Roman province of Dacia (Romania), have been investigated with the aim of defining the material composition of their pictorial layers and exploring the pictorial technology used. In order to preserve the integrity of the murals and minimize sampling, an array of non- and micro-invasive techniques has been employed, including X-ray fluorescence, laser-induced breakdown spectroscopy, Fourier transform infrared spectroscopy, and hyperspectral imaging. In accordance with previous studies, the identified color palette was mainly based on iron-rich earth pigments (red and yellow ochres, green earth) and carbon-based blacks (soot/charcoal, bone black). Egyptian blue, lazurite, some lead-based pigments, and potentially indigo were also identified (in complex mixtures) on the uppermost paint layers, typically applied a secco over the a fresco background. The presence of expensive pigments and the existence of a red preparatory drawing, documented for the first time in the region, indicate that the original wall paintings had elaborate schemes and, secondly, reflect the patron’s wealth and social status. Hyperspectral imaging was able to retrieve some faded paint layers in certain cases, helping to recover lost decorative details, an indicator of a more complex polychromy compared to what we see today. The obtained results add important contributions to the limited corpus of data regarding the technical know-how of decorative polychrome painting on plaster found in Roman archeological sites in Romania. Full article

Vernacular architecture offers valuable technological and typological solutions rooted in knowledge systems that connect environmental, social, economic, and cultural contexts. This paper introduces the Heritage for People Platform, a collaborative digital tool developed under the VerSus+ project (Creative Europe Program), aimed at organising and disseminating vernacular architectural knowledge with a focus on sustainable practices that are both culturally and environmentally conscious. The platform builds upon lessons learned from similar projects, offering key improvements such as the adoption of a Case-Based Reasoning methodology, which organises examples by geographic location, materials, and intervention types. A structured classification system based on sustainability principles and strategies enables cross-disciplinary research and comparison. The design process was highly participatory, incorporating user feedback at every stage to ensure the platform is accessible to a wide range of users, including designers, scholars, craftspeople, and the general public. A cross-device, user-centered approach further broadens its accessibility. The platform provides a public, web-based geospatial repository where users can create, update, and explore a dynamic collection of artefacts, design models, people, and institutions from across the globe. This tool marks a significant advance in promoting and preserving both physical and intangible heritage, with strong educational and practical applications for sustainable architecture. The paper details the theoretical framework and real-world potential of the platform as a critical resource for promoting sustainability in the built environment. Full article

A country’s development is crucially determined by its cultural and natural heritage, and it is reflected in its industrial structure and its success in the global marketplace. The present paper looks at the global performance of tourism, comparing its performance measured by the Normalised Revealed Comparative Advantage (NRCA) index to the components of natural and cultural heritage, analysing 117 countries of the world. Natural and cultural heritage indicators were derived from the tourism competitiveness reports of the World Economic Forum for the years 2011–2013–2015–2017–2019–2022. Panel regression analysis was applied, with NRCA as the dependent variable and eight indicators of natural and cultural heritage as independent variables, comparing regions of the world. The main findings show considerably differing patterns between regions; Europe and Eurasia being similar to the Americas, with decreasing competitive advantage associated with more focus on endangered species and observance of environmental treaties, while the Middle East and North Africa show a strongly opposite pattern. Cultural heritage has a positive impact only in Sub-Saharan Africa, while Asia and the Pacific benefit mainly from the increase of protected areas and abundance of species. These differences shed light on differences in tourism competitiveness in the global market and may guide policymakers towards utilising heritage items for improving tourism performance. Full article

The Sorrento Peninsula is characterized by a significant occurrence of examples of vernacular architecture, which exhibit distinctive morphological and constructive features. These have been the subject of numerous studies. However, some buildings have undergone a process of transformation over time, the details of which have yet to be investigated. Architectures that initially held a rural character were enlarged and ennobled, thereby becoming what could be termed as “villas of delights”. However, these clearly manifest their origin based on the permanence of some vernacular features. This paper focuses on the analysis of a case study, Villa Murat, which is exemplary in illustrating this process. This thorough interdisciplinary research combines historical investigation, based mainly on archival documents, with a direct examination of the Villa. This has enabled the retracing of the building’s evolution and of the events that occurred in it. An integrated survey, which employed photogrammetry and laser scanning, enabled the assessment of the current state of conservation. The ultimate objective of this research is to propose conservative interventions which, in conjunction with the suggested new intended use, could ensure the preservation of the Villa. Full article

For past societies on the Iberian Peninsula, one of the most prolific architectures was earthen construction, with a wealth of typologies and solutions derived from the legacy of local construction and materials. However, its study within the field of archaeology has been limited. The challenges posed by conservation, archaeological identification and social recognition have traditionally limited the dissemination of this type of architecture. Its low profile is perceived as fragile once the original protections collapse. The ethnological information preserved and linked to past ways of life and societies is crucial to the interpretation of the cultural development handed down over generations by different communities and now transmitted to the general public through archaeological sites. This research aims to provide an overview of the main earthen vestiges from domestic, productive and funerary architecture dating from the prehistoric, protohistoric, Roman and medieval periods. For this, a bibliographical review and data collection through fieldwork were conducted for numerous case studies. These included the classification of materials, compositions and construction techniques, creating an integrated comprehensive database with information on geography, measurements and the general state of conservation. Full article

The majority of cultural heritage tourism globally lacks the diversity of young tourists since there is a universal trend among youth worldwide considering that cultural and heritage stories are unrelated to their lifestyles and not designed for them. This research therefore makes use of classic Thai literature that the target group (grade 12) has studied, “Khun Chang Khun Phaen (KCKP)”, which includes actual heritage places in the province of Suphan Buri. It aims to create and evaluate design guidelines applying classic literature to facilitate cultural heritage tourism and interest in learning classic literature and history, specifically for youth, in three phases. In Phase 1, design guidelines are developed based on the answers of on-site questionnaires distributed to 600 young people. In Phase 2, a multimedia KCKP e-book is created, and in Phase 3, this multimedia KCKP e-book is evaluated using the results from 100 on-site questionnaires—serving as the research’s success criterion. The findings indicate that this e-book may spark a strong interest in youth for KCKP literature (mean = 4.53/5), cultural heritage tourism (mean = 4.56/5), and history (mean = 4.72/5). These findings affirm that the design guidelines effectively engage young tourists and promote an appreciation for cultural heritage, history, and classic literature. Full article

The paper presents an interdisciplinary study based on an experimental model for investigating clay sources to identify prehistoric human behavior regarding resources. The study focuses on the Middle Bronze Age (1955/1773–1739/1614 cal. BC) settlement of Siliştea-Pe Cetățuie in eastern Romania, where archaeological materials from the Costișa and Monteoru cultures were discovered. Standard criteria for macroscopic analysis and analytical techniques, such as optical microscopy (OM), Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (SEM-EDX), Micro-Fourier Transform Infrared Spectroscopy (µ-FTIR), and thermal analysis (DTA and TG), were used to investigate the ceramic material from multiple points of view. The results showed that there were no significant differences between the ceramics of the two communities. Putting together the data obtained from macroscopic and physico-chemical analyses helped in partially reconstructing ancient human behaviors related to the production and use of ceramic vessels. Full article

Bioreceptivity measures the ability of a surface to develop and maintain a permanent ecosystem of microorganisms. In the historic built environment, this is characterised visually by the greening of monuments and other outdoor heritage. Primary and secondary bioreceptivity refer to the potential for biological growth on fresh and weathered stone, respectively. Measuring bioreceptivity helps us understand biological growth rates and allows researchers to characterise the impact of stone conservation treatments on colonisation. Understanding the relative bioreceptivity of stones allows heritage professionals to make more informed selection of replacement stone types for repairs to existing structures. The primary bioreceptivity of stones from different geographical areas cannot currently be easily compared due to a lack of consistency in approaches to measurement. We propose a repeatable lab-based methodology for measuring colour and chlorophyll a levels from a standard algal culture grown on the stone surface as a standardised testing protocol for primary and secondary bioreceptivity. This protocol controls for the effects of mineralogical colour change during testing, which is something that has not been addressed in other methodologies. This method was successfully applied to case studies measuring the bioreceptivity of English granite, sandstone and limestone, determining their position in a bioreceptivity index. Our results demonstrated that for the stones tested, primary bioreceptivity was categorised as very low or low. Secondary bioreceptivity was increased compared to primary bioreceptivity. This research is the first to fully categorise any stones for secondary bioreceptivity and provides the first primary and secondary bioreceptivity data for any UK stones. We encourage others to follow this standard protocol to add additional data and build an international bioreceptivity database accessible to heritage practitioners. Full article

Often, artists of all time periods have unintentionally crystallized in their works the image of landscapes distant in time; of those landscapes, sometimes only faint traces remain, adding to the collection of so-called indirect sources. In many cases, a critical analysis carried out using the comparative method of those iconographic sources allows the inference of the relevant information regarding the layout of places, the structures housed there, and the practice of arts and crafts, or about customs and habits (e.g., dressing, eating, etc.); it is possible to recompose the so-called ‘buried landscapes’ by combining it with, and thanks to, the substantial contributions of other disciplines (such as history, archaeology, and anthropology). This contribution shows the first outcomes of research carried out within the Ghibertiana Project by CHMlab of DIDA (UNIFI), which aims to analyze the ‘landscape characterised by cultivated areas’ from the Florentine countryside in the early fifteenth century. In particular, it is maintained that Lorenzo Ghiberti (Pelago, 1378–Florence, 1455), just like other contemporary artists, depicted territories and architectures he had first experienced in some of the ten bronze panels of the Gates of Paradise of the Baptistery of Florence. He described in great detail the flora, fauna, and anthropic structures of the extra moenia territory. The focus of the early stage of analysis and this contribution is mainly on shelters: temporary structures functional to agricultural work. The encouraging results obtained may give rise to new research on other Florentine landscape elements artfully chiseled in Ghiberti’s workshop. Full article

One of the most recognized decorations of the pick-up technique is the millefiori glass, which has been commonly attributed to Venetian production. However, Portugal is the country where the largest known assemblage of this type of glass artefact has been studied and published. In this work, two important archeological contexts were selected: (1) Santa Clara-a-Velha monastery (SCV) and (2) São João de Tarouca monastery (SJT). The fragments selection was made based on the diversity of decorative motifs, colors, and original forms that has been associated with Portuguese production. The compositional characterization was conducted by performing micro-particle-induced X-ray emission (µ-PIXE) mapping, which facilitated the visualization of the distribution of different oxides across the different glass layers and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) to obtain the major, minor, and trace elements composition, including rare earth elements (REEs) to determine which kind of raw materials were used. Additionally, µ-Raman spectroscopy was employed to investigate the opacifiers, while UV–Visible spectroscopy was used to study which chromophores are presented in the glass samples. All the analyzed glass layers can be considered to be of a soda–lime–silica type, and four different geological patterns (from GP1 to GP4) were detected and reported. This result can indicate that these objects were made by using silica sources taken from four different geological settings. Interestingly, the GP3 represents about 41% of the analyzed glass fragments and is compatible with the pattern detected in some production wastes found in two different archeological contexts located in Lisbon, which reinforces the veracity of the theory that this GP can be attributed to a Portuguese production. On the other hand, GP1 was probably attributed Granada provenance. Full article

This article intends to highlight and reconstruct the relationships between humans (harvesters, woodworkers and master artisans) and non-humans (raw materials, tools, places, products, etc.) in the Barniz de Pasto mopa-mopa tradition. These relationships were lost when the focus came to be primarily on the objects, as happens in most popular art forms worldwide. This text is organised in ethnographic overviews: the home workshops of masters of Barniz de Pasto; woodworker workshops; montañas-selvas (Andean rainforest highlands) and mopa-mopa harvesters; until we reach the objects. Unlike a conventional article, it does not end with firm and immutable conclusions. Our reflections from our eleven years (2013–2024) of accompanying men and women artisans and collectors, during the process of including the traditional knowledge and techniques associated with Barniz de Pasto mopa-mopa as Intangible Cultural Heritage (patrimonialización) and its safeguarding, are always open for discussion. Full article

The 16th century AD St. Barbara’s Church in Paternò, a town located at the SW foot of Mt. Etna volcano (Sicily, Italy), has since 2009 showed evident signs of structural instability and collapse. This is causing great concern among the local population and poses a growing hazard to the attendees to the masses. After precautionary closure of the church, we carried out geological, seismic, geophysical and geochemical surveys in order to shed light on the possible causes of the phenomenon. From the results of all surveys above, the presence of a hidden fault was hypothesized. The fault would prove to cross the west side of the church, parallel to its front portal, and continue both to the north and to the south of the edifice. It is part of a more complex system of faults that crosses the whole town of Paternò and is likely a result of the complex dynamics of Mt. Etna. This fault seems to also be a pathway for the upward flow of saline hydrothermal fluids, similar in composition to those emitted in nearby areas and whose corrosive action possibly contributed to the weakening of the rocks beneath the church. Temporal monitoring of several hydrological parameters (water temperature, water level and CO₂ content) in some sites in and around the church allowed a better understanding both of the fault dynamics and of the extent of hydrothermal influence in the studied area. Full article

Structured-light scanning is a fast and efficient technique for the acquisition of 3D point clouds. However, the extensive and daily application of this class of scanners can be challenging because of the technical know-how necessary to validate the low-cost instrumentation. This challenge is worth accepting because of the large amount of data that can be collected accurately with the aid of specific technical protocols. This work is a preliminary study of the development of an acquisition protocol for anthropological remains performing tests in two opposite and extreme contexts: one characterised by a dark environment and one located in an open area and characterised by a very bright environment. This second context showed the influence of sunlight in the acquisition process, resulting in a colourless point cloud. It is a first step towards the development of a technical protocol for the acquisition of anthropological remains, based on the research of limits and problems associated with an instrument. Full article

The present study is aimed at the characterization of artifacts excavated in the necropolis surrounding the mausoleum of the Aga Khan in Aswan (Egypt), as part of the Mummies Investigations Anthropological & Scientific West Aswan Necropolis (MIASWAN) project. Four cartonnages and some pottery shards were investigated on-site by means of non-destructive and micro-destructive techniques, such as attenuated total reflection/Fourier transform infrared spectroscopy (ATR/FTIR) and visible reflectance spectroscopy Vis-RS). Thanks to the use of these techniques, several pigments employed in the creation of the artifacts were identified. Due to the impossibility of transporting the investigated objects out of Egypt, a first-ever on-site characterization of the artifacts from this important excavation was carried out through scientific methodologies. These extreme conditions made the use of analytical instrumentation very challenging. Nevertheless, several characteristic pigments and hues were successfully identified. Full article

In light of current risks and environmental impacts, HBIM (historic building information modeling) offers a highly efficient and interactive method for managing historical data and representing the current states of ancient clay structures. In this study, traditional geodetic techniques were employed to digitally locate a structure without compromising its topographic information to create an accurate model. Tools such as total stations, GNSS receivers, and UAVs were utilized to generate detailed topography of the study site and its surroundings. An ontology-based data management structure was also developed to store historical data and site intervention projects, adhering to the ISO 12006-2 standard. This was achieved through automated scripts in Dynamo softwarev.2.18.1. A comparison between the point cloud (279 images) and total station data (600 points) revealed a georeferencing accuracy difference of +/−0.003 m. Consequently, the developed methods can effectively represent similar structures digitally. The proposed ontological structure facilitates automated storage of internal and external information. Full article

The Natural History Museum of the University of Pisa hosts the most important osteological collection of extant cetaceans in Italy as well as one of the most relevant all over Europe. Furthermore, it also preserves a significant palaeontological collection that includes several holotypes and otherwise unique specimens of Archaeoceti (archaic cetaceans), Mysticeti (baleen whales) and Odontoceti (toothed whales). Here, we provide a historical overview of these collections and the corresponding displays, with special attention paid to the origin, development and design of the ‘Archaeocete Hall’ and ‘Cetacean Gallery’. These comprise what may be the largest exhibition worldwide among those dedicated exclusively to cetaceans—one that includes 28 complete skeletons and one skull belonging to 27 extant species as well as fossils of nine extinct species. Our review also reveals that the museum exhibitions feature the oldest known specimen of Mesoplodon bowdoini and the type specimen of Ziphius savi, the latter being a validly described species that is currently regarded as a junior synonym of Ziphius cavirostris. Also significant is the display of several holotype specimens of fossil species such as the protocetid archaeocete Aegyptocetus tarfa, the balaenid baleen whales Balaena montalionis and Balaenula astensis, and the monodontid Casatia thermophila. The Archaeocete Hall and Cetacean Gallery are highly appreciated by visitors as well as perused by the museum’s educational team. The online archiving of 3D models of many of the MSNUP specimens on the open-access digital repository Sketchfab and their subsequent dissemination through the Wikimedia platforms has led to the creation of a major osteological resource—one that is broadly accessible to internet users worldwide. Full article

External and internal microclimatic conditions, biodeterioration, anthropogenic factors, etc, influence the natural stone support for artifacts and built heritage. Based on this fact, the present study explores the effectiveness of nano-TiO₂ in preserving and enhancing the durability of natural stone used in the façades of heritage buildings, focusing on the Markovits-Mathéser House in Oradea Municipality, Romania. The investigation involved treating rock samples (fossiliferous limestone) with 2% and 5% nano-TiO₂ solutions and subjecting them to simulated extreme climatic conditions for the analyzed area in a controlled climatic chamber for six months. The treated samples demonstrated a significantly higher compressive strength than untreated benchmarks. SEM analyses confirmed that nano-TiO₂ formed a protective layer, filling micro-cracks and pores, thereby enhancing the stone’s resistance to environmental stressors. The study also found that the nanoparticle coating maintained its integrity under extreme temperature and humidity variations, with only a slight decrease in surface coverage. These findings suggest that nano-TiO₂ coatings significantly improve heritage building materials’ mechanical properties and longevity. However, the study highlights the importance of careful application and long-term evaluation to ensure environmental and health safety. Overall, nano-TiO₂ presents a promising solution for the conservation of cultural heritage, offering enhanced durability and protection against climatic and environmental challenges. Further research is recommended to optimize application workflow and formulations for broader and more effective use in heritage conservation. Full article

Nine glazed porcelain artifacts bearing the coat of arms of France, from King Louis XV tableware orders, were analysed at the laboratory or in their conservation secure room. Based on the experience acquired in the study of 18th century European and Chinese porcelain using mobile XRF (pXRF) and Raman microspectroscopy, a comparison of the impurities in the paste (Y, Rb, and Sr), the elements associated with cobalt in the blue overglaze (Bi, Mn, Zn, and As) and those present in the tin yellow and Naples yellow pigments (Sn, Sb, and Zn) highlights the use of different raw materials for some of these objects. Differences regarding the Ag content in the gold decorations also provide information. Raman identification of the different types of yellow pigment confirms the categorization. The results obtained on the Louis XV tableware are compared to those of “Chine de commande”, attributed to the same places and periods of production or recognized copies. The clustering of the quantitative comparison pXRF signals of the abovementioned elements and a consideration of the Raman parameters of the yellow pigments appear to be effective tools for object categorization to confirm or refute questions about the authenticity of objects. Full article

The starting point of this proposal is a collection of decorated cuias, preserved in Portugal and produced by Indigenous women in Grão-Pará in the 18th century. The objects in question are an exemplary case of the global art history of the Amazonian communities. In order to investigate them, it is necessary to consider the procurement and ritual use of cuias (fruits of the cuieira tree-Crescentia cuyete), the sophisticated techniques used to produce a durable, glossy, black varnish from cumatê (or cumaté, cumati), a natural dark red pigment extracted from the skins of the cumatezeiro or axuazeiro tree (Myrcia atramentifera), as well as the incorporation of fauna and flora motifs from Asian or Asian-inspired textiles and embroidery, which circulated worldwide. Their history brings together the nature of the forest, the myths of creation, and the knowledge and practices of Indigenous and riverine women, mainly from the lower Amazon. Studying these objects produced by Indigenous female painters in a colonial context of appropriation, in addition to contributing to their knowledge, can stimulate dialogues on the knowledge of the Brazilian Amazon rainforest with other locations in America, sharing their ancestry and resistance. Full article

A study reviewing overheating in historic buildings in the context of extant climate change. Due to global warming, more research is required when considering summertime thermal comfort in the UK, which is a more significant topic of conversation due to the heatwave in 2022. With a large demographic of the UK population residing in dwellings with historic value, this paper aimed to contribute findings that review their specific traits with respect to overheating. This was achieved by monitoring and analysing internal (and external environmental data) in three case studies in the south-east. Upon examination of the literature, many buildings in the UK are consistently subject to temperatures that exceed overheating. It was found that many properties of historic buildings lend themselves to summertime cooling such as higher thermal mass, better ventilation (without the use of mechanical or active systems), and less insulation. This, however, could come at the cost of winter thermal comfort. In all three case studies, the surveyed buildings passed the CIBRE criteria, but users still commented on being ‘too hot’. The high recorded RH levels in all properties, coupled with the inadequate overheating criteria, were deemed the cause. There are new regulations in place to minimise overheating in new buildings but no support for those that are already existing. Full article

The Kingdom of Navarre was a Christian kingdom located in the north of the Iberian Peninsula during the Middle Ages. Its location on the west of the isthmus between the Iberian Peninsula and the European continent allowed an exchange of cultural currents. The main pottery production centres were in Estella, Lumbier, Pamplona, Tafalla, and Tudela. Ceramic pastes from various mediaeval sites were analysed for both elemental and mineralogical composition determination. The results were evaluated using Principal Component Analysis and allowed us to identify each production centre. Each manufacturing centre showed a different and characteristic composition of raw materials. Ceramics from Tudela were Ca-, Mg-, Na-, and Sr-rich. Ceramics from Estella were richer in Al, K, and Ti. Ca, Sc, and Sr contents were higher in Tafalla ceramics. Lumbier ceramics stood out for being enriched in Si, Mn, Fe, and Zr. Pamplona ceramics showed intermediate values. The analysis of samples from other Navarrese locations allowed us to begin to define what the commercial ceramic network in the Kingdom of Navarre was like during the Middle Ages. Therefore, two aims were defined for this paper: to characterise the ceramic pastes for each of the producing centres and to know where the ceramics were exported to. Full article

Recent studies in rural heritage tourism have highlighted that watermills could stand as an important part of the pre-industrial tourism heritage. We contribute to rural heritage tourism by basing our study on the perceptions of tourists and local officials on the Rudăria Watermills, Romania. Based on survey and interview data, we document the strengths and limits of local watermills for tourism and describe the entrepreneurial agents involved in path development. Our findings point to the important role played by a local NGO in developing a path for tourism for the watermills, as well as the active involvement of local authorities and other local cultural leaders in including the mills in national and international tourism circuits. Full article

This paper delves into the investigation and inventory of cob buildings within the Guérande Peninsula, employing an interdisciplinary framework merging academic inquiry, fieldwork, and digital cartographic methodologies. Against the backdrop of escalating environmental concerns within the construction sector, raw earth construction emerges as a compelling avenue for sustainable building practices due to its low embodied energy and reversible characteristics. Despite historical prevalence in regions such as northwest France, traditional earth-building techniques have experienced waning prominence with the advent of industrial materials. However, the resurgence of interest in raw earth’s minimal carbon footprint has catalyzed renewed attention towards earth-building methods. Through a meticulous investigation methodology, this study identifies and analyzes 802 potentially old cob buildings, with 46 structures confirmed as cob constructions. Employing statistical analyses of building characteristics, including wall and lift heights, preservation states, and geographical distributions, this research sheds light on the significance of preserving cob heritage amidst rapid urbanization. The findings underscore the imperative for ongoing research and awareness efforts to safeguard these vernacular architectural traditions. By illuminating centuries-old building practices, this research contributes to the scholarly discourse on sustainable construction methodologies and local cultural preservation. Moreover, it underscores the necessity of integrating traditional knowledge systems with contemporary sustainability initiatives to foster resilience and longevity within the built environment. Full article

This paper presents preliminary findings from the ongoing Erasmus+ European project CoVHer, which focuses on the hypothetical virtual reconstructions of lost or unbuilt architecture. This contribution provides a critical assessment of the terminology specific to this field. A significant challenge lies in the absence of standardised terminology for many foundational aspects, which can lead to misconceptions and misunderstandings. The research begins with a comprehensive review of the relevant literature in the field, aiming to identify which terms are most widely accepted and appropriate to use and which are ambiguous or should be avoided. For concepts that lack a clear definition, new terminology is proposed. This paper analyses six key terms: reconstruction, uncertainty, raw model, informative model, digital representation methods, and 3D modelling techniques. Full article

The theme of adaptive reuse, of great topicality for those who deal with built heritage, has its roots in the recent past, dating back to the end of the last century, when the problem of reuse proved to be competitive, for economic and cultural reasons, with respect to total demolition and reconstruction. Since then, various disciplinary and methodological approaches have been confronted with theories and methods of intervention, on an ever-expanding cultural heritage. This article offers a research perspective, with application of a case study of particular relevance to the city of Genoa, Italy. Adaptive reuse, in the text, is specifically dedicated to religious and sacred heritage that has lost its original function but has retained material traces and intangible values. The methodological approach, shared by several European architectural schools, is multi-disciplinary in nature and stems from the need to preserve material traces but, at the same time, preserve the spirit of the place, according to what is defined by the international community. The methodology and results are applied to the enhancement and reuse work for the former Genoa University Library, formerly the church of the Genoese Jesuit College (17th century). Full article

Photographic artifacts carry important historical and cultural information. Materials used in photography at the turn of the XIXth and XXth centuries tend to degrade both over time and if the temperature and humidity conditions of storage are violated. In this connection, the question arises of determining the safety degree and monitoring the condition of photographic materials. Close attention should be paid to photographic materials that become flammable as a result of decomposition. This class of objects includes photographic films based on cellulose nitrate. This study was aimed at examining 100 negatives and stereonegatives from the collection of Karl Kosse dating from 1902 to 1917 as typical examples of these hazard class objects. The degradation of individual negatives was accompanied by a significant change in color—yellowing. The base of photographic negatives (cellulose nitrate and camphor) was determined by Raman spectroscopy, and the presence of a gelatin layer was determined by ATR-FTIR spectroscopy. Using chemometric analysis methods based on the RGB components of digital photos of negatives, an approach has been proposed for determining the state of degradation. The use of the support vector machine approach allows for obtaining a decision boundary, which can be later used to analyze a large data array. Full article

Blue is one of the most challenging colors for humans to produce and one of the most important colors in art history. Literature from the Tikuna/Magüta culture, from the Amazon Forest, suggests the use of chemical reactions between the juice of the naīcü fruit and iron to produce a blue colorant still unknown among technical art historians and conservation scientists. Additionally, the coloring materials from the Tikuna/Magüta people were never chemically investigated. Therefore, this manuscript presents the investigation of blue colorants from twenty-two Tikuna/Magüta masks and one stamp used to decorate similar items. Collections from four museums, from the USA and Brazil, were examined, and Raman spectra indicated the presence of Prussian blue, phthalocyanine blue, indigo, ultramarine, crystal violet, amorphous carbon, anatase, and barium sulfate (or lithopone). Although the unknown blue colorant was not detected in this campaign, the authors hypothesize the chemical composition and reactions involved in its production by considering the chemistry of naīcü and anthocyanins. The continuation of this work with community-based participatory research (CBPR) approaches is also discussed, justifying why reproduction was not considered in this work and supporting a more socially responsible and inclusive practice in technical art history and conservation science. Full article

In 2015, hazard mitigation became a top priority on the international agenda, according to the United Nations Office for Disaster Risk Reduction. When it comes to architectural heritage, it is crucial to develop tools and site-specific response plans that can help the prompt and effective management of seismic events. The paper presents part of a research study carried out at the University of Parma, aimed at improving emergency strategies for the protection of cultural heritage damaged by earthquakes. Specifically, it analyses first aid and recovery reinforcements, with a specific focus on masonry churches affected by the 2012 quake in the Emilia Romagna region (Italy). The study highlights criticalities and good practices of a site-specific response. It shows that recovery with a sharp separation between emergency and reconstruction activities leads to wasted resources in terms of cost, material, and time. On the other hand, the most effective strategies for the conservation of architectural heritage in earthquake-prone areas have proved to be based on an integrated and shared approach, aimed at balancing safety, conservation, and economic issues. This leads to a broadening of the concept of emergency interventions and, more generally, of structural reinforcement in the field of architectural conservation. Full article

The Ethnographic Museum in Dubrovnik holds an extensive textile collection which includes a number of dresses and costumes from Croatia and neighbouring countries. Until recently, the costumes were displayed on mannequins created by the academic artist Zvonimir Lončarić (1927–2004). His sculptures are expressive forms made of terracotta, fibreglass, wood, metal, acrylic paint and other materials chosen for their visual appeal. Due to their importance, the museum considered the mannequins to be protected works of art in the permanent exhibition; however, they had a harmful effect on the costumes displayed. In 2018, after completing a series of conservation–restoration projects within the collection, it was decided to replace the existing mounts with new, museum-quality mannequins. Two project-based learning workshops were organised, led by a team of textile conservators from the University of Dubrovnik and the Croatian Conservation Institute, in collaboration with the curator of the Ethnographic Museum. This case study highlights the challenges of exhibiting ethnographic costumes by discussing past presentation methods and how new solutions have been implemented in line with the modern conservation–restoration profession. The new solutions take into consideration ethics, decision-making processes, and an understanding of contemporary materials and methodology. Full article

This study investigates the materials and techniques used in three Mexican platters, or bateas, from the Victoria and Albert Museum collection. Our analytical approach included the use of non-invasive techniques, such as infrared reflectography, scanning X-ray fluorescence, and digital microscopy, which informed limited but targeted sampling. Traditional pigments were identified, including indigo, carbon black, red lead, lead white, and orpiment, and materials such as dolomite, gypsum, ochres, and clay were also found. A red organic dye was seen but could not be identified. The stratigraphy of the objects was also investigated. The condition of the objects was also evaluated, and the results will be used to inform future conservation decisions. The findings add to the published knowledge of the materials and techniques of early colonial Mexican objects and can be of use in future investigations, facilitating exchanges and collaborations focused on this type of objects, which are rare in UK collections. Full article