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</html><thumbnail_url>https://www.istegroup.com/wp-content/uploads/2018/01/doc_tstxoosrxxdr.jpg</thumbnail_url><thumbnail_width>985</thumbnail_width><thumbnail_height>1500</thumbnail_height><description>Dry stone retaining structures are made of individual decimeter stone blocks in contact with one another. One of the advantages of this construction technology lies in the weak amount of embodied energy required for their construction using only local materials. This technology may therefore be a good answer to the challenges brought about by sustainable [&hellip;]</description></oembed>
