A documentary about the Cu Chi tunnels in Vietnam during the Vietnam war. The film contains interviews with survivors of the war who inhabited the tunnels, including archival footage, and photographs. The filmmakers visit the tunnels in current day to explore the way so many Viet Cong lived during the war. The documentary features an interview with Robert Biss (American P.O.W. captured in 1966, who was at the "Hanoi Hilton"), and the Viet Cong member who captured him, explaining the events and emotions surrounding the event.

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