The world's largest cave even could house an entire New York City block.
16 September 2016 18:48
Ho Khanh, a Vietnamese farmer was trying to find a shelter during a storm when he discovered an opening in a cave and went inside. He never thought he would locate an underground paradise in the deep forests of Vietnam.
The Son Doong cave secluded in Vietnam's Phong Nha-Ke Bang National Park is a majestic subterranean kingdom with its own weather system, river and towering.