Photos 7 Galleries Paris 2008: Citroen Hypnos concept Aug 8, 2013 Paris 2008: Citroen Hypnos Aug 8, 2013 Challenge Bibendum: Citroen Hypnos Aug 8, 2013 3D printing of the Citroen Hypnos Feb 17, 2011 Citroen Hypnos renderings Sep 3, 2008