| Castle bridge, Darmstadt The worldwide first Plexiglas-timber structure 27m in length, 3,2m in heigth and 4,2m in width made of glulam timber and Plexiglas. A worldwide unique bridge construction as a result of the cooperation between the University of Darmstadt, Röhm Evonic Industries and HESS-WOHNWERK. | |  Loading of the bridge on the companies courtyard |