War movie where rice kernels were hidden under felt of pool table

A group of working-class friends decide to enlist in the Army during the Vietnam War and finds it to be hellish chaos -- not the noble venture they imagined. Before they left, Steven married his pregnant girlfriend -- and Michael and Nick were in love with the same woman. But all three are different men upon their return.

A documentary Interview with The Deer Hunter director Michael Cimino.

A 46 minute extreme close-up long take of a knife point counting grains of white rice, one by one, on a white surface, to the orchestra piece "One Large Rose".