Cu Chi has three layers of different depths, the floor on the way to the ground about 3 m bulletproof, Cannon and the weight of the tanks, the armored vehicle used to give people shelter, living when at war. 2nd floor surface of about 5 m can be small bombs. Also the final floor surface of about 8-10 m. The road up and down between the decks are arranged by the secret cellar hatches. Above the camouflage look discreet, as the dry dock extrusion has holes along seam damage. Complete with tunnels have extensive cellar to rest, where weapons, food reserves, there are water wells, Royal kitchen, cellar, basement surgery ... Life in the tunnels of utmost deprivation, hardships as subway has no light, moisture, food shortages, disease ...
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