Hang Son Doong: World's Largest Cave Found in Vietnam
A caver team from the British Cave Research Association expedition has found massive Hang Son Doong cave - the Earth's largest known cave passage.
travel.ezinemark.com/hang-son-doong-worlds-largest-cave-found-in-vietnam-77368a7376d0.html
World's Biggest Cave Found in Vietnam Jungle | Son Doong Cave ...
The world's largest cave passage — large enough to house a modest skyscraper — was discovered deep within a remote Vietnamese jungle last ...
www.ouramazingplanet.com/worlds-biggest-cave-discovered-vietnam-110104-0926/
http://www.dailymail.co.uk/sciencetech/article-1175430/British-explorers-discover-worlds-largest-cave-deep-Vietnamese-jungle.html
