This article needs additional citations for verification. Please help improve types of tunnels pdf article by adding citations to reliable sources. Unsourced material may be challenged and removed.
Entrance sign at the tunnels. Part of the tunnel complex at Củ Chi, this tunnel has been made wider and taller to accommodate tourists. Vietnam, and are part of a much larger network of tunnels that underlie much of the country. The Củ Chi tunnels were the location of several military campaigns during the Vietnam War, and were the Viet Cong’s base of operations for the Tết Offensive in 1968.
The tunnels were used by Viet Cong soldiers as hiding spots during combat, as well as serving as communication and supply routes, hospitals, food and weapon caches and living quarters for numerous North Vietnamese fighters. The tunnel systems were of great importance to the Viet Cong in their resistance to American forces, and helped to counter the growing American military effort. American soldiers used the term “Black Echo” to describe the conditions within the tunnels. For the Viet Cong, life in the tunnels was difficult.