#1316 How many tunnels did the Vietnamese dig?
How many tunnels did the Vietnamese dig? During the Vietnamese War, the North Vietnamese forces managed to dig a 400 km tunnel system that they used to hide and to attack the South Vietnamese and Americans. Tunnels have often been used as a tool of war. They weren’t often used in ancient battles, because it […]
#1316 How many tunnels did the Vietnamese dig? Read More »