The film was shown out-of-competition at the 2009 Cannes Film Festival , at the 2009 Toronto International Film Festival , and film festivals in New York , Vancouver , London and Rotterdam ; it was nationally released in France on 11 November 2009 . In 2010 it received the César Award for Best Documentary
2009 Cannes Film Festival
2009 Cannes Film Festival
Henri-Georges Clouzot's Inferno