Sơn Đoòng Cave
Hang Sơn Đoòng
also known as Cave of the Mountain River
is the largest known cave passage in the world.
The Cave is located near the Laos–Vietnam border.
200m high, 150m wide and 5.5km long.
The Cave has a jungle and river, and could fit a 40-story skyscraper within its walls. Also a 70m Stalagmite.
The Cave is said to begin in existence 3 million years ago.
Walking through from end to end is simply breath-taking...