This Is What You Should Know About This Secret Vietnamese Tunnel Network (14 Pics)
Posted on Jun 24, 2016
Only a few people know about this vast old network of underground tunnels that was used for a devastating purpose. The entrance leads to something that will chill you to the bone.
1. The Entrance
These tunnels were first dug up in the 1940s when the Vietnamese rebelled against their colonial overlords, the French.