The Cu Chi Tunnels are 75 miles of interconnecting tunnels which were used by the Vietnamese armed forces throughout the Vietnamese War (or American War since they contact it). They served as hiding places and as routes for interaction and materials. Many soldiers even lived in these tunnels for periods https://arthurmomlj.blogscribble.com/28607669/the-fact-about-sai-gon-list-that-no-one-is-suggesting