The Cu Chi Tunnels are a network of tunnels to the northwest of Saigon built by communist guerrilla troops (Viet Cong). They were originally built during the resistance against French colonialists, and then expanded during the fight against American and South Vietnamese forces.
The tunnel network is now a popular tourist attraction, being one of the most visited war-related sites in Vietnam. In fact according to TripAdvisor, the Cu Chi Tunnels is listed as the most popular thing to do in Ho Chi Minh City. I never use TripAdvisor so I wouldn’t have guessed this was number one if someone
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