USA NEWS 🇺🇸 的推文: During the Vietnam War, Viet Cong fighters often used “spider holes” which are tiny, camouflaged pits just big enough for one person to squat in, hiding for short periods during patrols or ambushes. They’d dig a narrow hole about 3-4 feet deep, then craft a lightweight cover https://t.co/H52BH97UOQ