presented by Icarus Films ; Arte France ; Auteurs AssocieÌs present ; with the participation of RTBF TeÌleÌvision Belge ; TSR TeÌleÌvision Suisse Romande ; CBC Newsworld ; Radio-Canada ; Lichtpunt ; YLE TV1 ; SVT, and with the support of Centre National de la CineÌmatographie ; an Yves Billy and Richard Prost film ; directors, Yves Billy and Richard Prost ; producer, Yves Billy