The Working Class Goes to Heaven
The film competed at the 1972 Cannes Film Festival , where it tied with "The Mattei Affair" for the Grand Prix International du Festival , the festival's highest honour . 
<triplet> 1972 Cannes Film Festival <subj> 1972 <obj> point in time <triplet> The Mattei Affair <subj> 1972 <obj> publication date <subj> Grand Prix International du Festival <obj> award received