Don Wildman explores the tunnel systems used by the Viet Cong during
the Vietnam War, revealing how they were sometimes rigged with deadly
booby traps and visiting a mountain cave that was used as a secret
military base.
Tags
Don Wildman, Cities of the Underworld, History Channel, watch historical documentaries, watch travel documentary, travel, history, documentary, series, vietnam, viet cong, war, military, base, booby, trap
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