La Chabola de la Hechicera, a Neolithic collective tomb which was first used at ca. 3850 B.C., has been re‐excavated for interpretation and stabilization. Information about the sources, handling, and placement of building materials allowed determination of the methods used to construct the dolmen monument. All of the rocks used in the structure are local Miocene sandstones, and the slabs were probably taken directly from the base of natural slopes near the monument. The chamber slabs were not carved, but some passage slabs were retouched to level the cover slabs. Fragments for the tumulus were obtained by mechanical fracturing. All of the slabs are imbricated, making it possible to determine the order in which they were placed. Thus, the identification of building materials and their mode of placement allows for the reconstruction of each stage of the building of the monument, providing unusually rich data for understanding the geoarchaeology and building archaeology of a dolmenic structure.
<p class="VARAbstract">The concept of mock-up, which share with the drawing the expressive synthesis for the analysis of the architectural form and evolution, is an invaluable asset for the preservation of the heritage. To mark the 175<sup>th</sup> anniversary of the Práxedes Mateo Sagasta’s secondary school of Logroño (Spain), an exhibition about the history of the institution was organized at the premises of La Rioja Library. The current school building became operational in 1900 and was built on the former site of a Carmelite convent. In fact, the convent rooms were the first location for the school, after the expropriations of religious communities during the mid-19th century. For the benefit of the aforementioned exhibition, it was considered interesting to generate a three-dimensional (3D) virtual reconstruction of the convent buildings to show how it would have looked. However, the lack of sufficient contemporary graphic information was a challenge, so it was decided that an efficient solution would be to generate the virtual reconstruction from a paper craft model, which had been created by the librarian of the secondary school as a result of his research on this matter. This text describes the 3D modelling of that cut-out element by means of monoscopic photogrammetry (perspective drawing) and the use of non-realistic rendering based on the appearance of the paper mock-up (and not trying to recreate the real image of the buildings) so as to provide a suggestive view of the convent and create interactive exhibition items. Moreover, the text deals with the long-term preservation and the improvement of the re-use of the 3D models. The former by resorting to institutional repositories —from which users can download the full detailed versions— and the latter employing versions able to be visualized in 3D warehouses (such as Sketchfab) and augmented reality (AR) applications.</p><p><strong>Highlights:</strong></p><ul><li><p>A significant part of the architectural heritage is represented by mock-ups of different materials (paper, wood, metal and so on).</p></li><li><p>Virtual modelling and augmented reality (AR) can be appropriate tools for materializing, recovering and disseminating scale models to the public.</p></li><li><p>Techniques for geometric documentation and visual representation need to be adapted in order to tackle the peculiar features of these elements (size, materials, fragility, etc.).</p></li></ul>
The Iberian Peninsula constitutes the Western limit of the dioecious Eurasian wild grapevine (Vitis vinifera L. subsp. sylvestris). At present, it is a threatened plant, due to human impacts. This liana has had different uses in this territory from the Paleolithic until the end of the last century, including several medicinal applications, inherited from the classical Greek culture. In order to retrieve the available written information, we carried out an exhaustive bibliographic search of the pharmacopoeia linked to this Vitaceae, from the 16th century to the present day. Current references on chemical composition of different parts of grapevine and their medicinal uses were also covered. In parallel, we conducted research in several archives and made inquiries to historians, anthropologists, and sanitary personnel. We also interviewed elderly people from rural areas of Spain and Portugal where some relic populations of wild grapevine are still conserved. Among the written and oral medicinal uses compiled, the main ones are: the use of the grapevine bleeding water to alleviate eczema and skin eruptions and to combat conjunctivitis and keratitis; the use of must from unripe berries (agua de agraz in Spanish) as liver tonic and to treat digestive diseases; the leaves were used to reduce edema, as antihemorrhoidal, and for menopausal disorders; and finally, the vinegar was used to clean and disinfect wounds both on humans and animals. This paper highlights the tremendous erosion of the traditional knowledge about this relevant plant genetic resource.
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