Hedwig Houben, Six possibilities for a sculpture, 2013 19 / 03 / 19 http://www.contemporaryartdaily.com/tag/hedwig-houben/
Walter Gropius, Monument to the March dead, 1920 â 1922 18 / 03 / 19 https://en.wikipedia.org/wiki/Monument_to_the_March_Dead
Jacques Couëlle 17 / 03 / 19 https://fresques.ina.fr/jalons/fiche-media/InaEdu05302/a-castellaras-le-neuf-une-architecture-organique-integree-au-paysage.html
