_RETAINING WALLS – NON-CONCRETE _PROJECTS INCLUDED IN GALLERYMemorial Drive Landscape of Memory: Poppy Plaza – Calgary, AB, Canada, by design firm the marc boutin architectural collaborative inc.Guixeres path – Barcelona, Spain, by design firm BatlleiroigSuqian Santaishan Flower Quilt – Suqian, Jiangsu Province, China, by design firm TurenscapeKalkan Altes Villas – Antalya, Turkey, by design firm Yazgan Design ArchitectureEuropaallee 21 – Zurich, Switzerland, by design firm Studio VulkanRestoration of the Roman Forum of Empúries – Girona, Spain, by design firm Lola Domènech​ Igualada Central Park – Barcelona, Spain, by design firm BatlleiroigSalem Harbor Power Station – Salem, MA, USA, by design firm terrain-nycSharpeville Memorial Garden – Sharpeville, Gauteng, South Africa, by design firm GREENinc Landscape Architecture and UrbanismYanweizhou Park – Jinhua, Zhejiang Province, China, by design firm TurenscapeMà quina de Batre Square – Barcelona, Spain, by design firm BatlleiroigBaluard del Migdia Public Space – Barcelona, Spain, by design firm Lola Domènech