a documentary filmed by Aaron Dennis and Chelsea Dennis ; Stone Hut Studios presents ; produced by Aaron Dennis and Chelsea Bay Dennis ; writers, Aaron Dennis, Chelsea Bay Dennis
presented by Icarus Films ; Arte France ; Auteurs Associés present ; with the participation of RTBF Télévision Belge ; TSR Télévision Suisse Romande ; CBC Newsworld ; Radio-Canada ; Lichtpunt ; YLE TV1 ; SVT, and with the support of Centre National de la Cinématographie ; an Yves Billy and Richard Prost film ; directors, Yves Billy and Richard Prost ; producer, Yves Billy