The Chu Chi Tunnels are part of a massive war museum in Ho Chi Minh. They offer visitors a sneak-peek at the underground life of Vietnamese soldiers back in 1948. The site has over 120km of underground tunnels, with trapdoors, living areas, kitchens, storage facilities, armoury, hospitals, and command centres. After the war against the French, Vietnamese soldiers expanded the tunnels and included effective air filtration systems, which helped them survive the Chu Chi carpet-bombings
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