An hour outside of Ho Chi Minh City in Vietnam, a vast network of tunnels are hidden 20 feet below the ground. They're called the Cu Chi Tunnels, and tourists travel from around the world to crawl ...

Exploring Vietnam Tunnels- Cu Chi tunnels 🇻🇳 ...

There was even a standard handbook specifying how tunnels were to be built. The biggest tunnel systems were in the Iron Triangle and the Cu Chi District, only 20 miles from Saigon. The base area ...

At Cu Chi, the newly blooded American 25th Infantry ... the matted jungle and stretched more than 200 yards. Viet Cong tunnels are shored with bamboo, take right-angle turns roughly every ten ...