Tunnels for Viet Cong and ... freedom fighters

[livingfreedom]

A graphic full of ideas ...

Bigger version (Arweave):
https://nswyuhmxmoumdp3iixatyyra2uj45p7i4yxobk7j4p56tdq662ba.arweave.net/bK2KHZdjqMG_aEXBPGIg1RPOv-jmLuCr6eP76Y4e9oI