MAGICAL IMAGES INSIDE THE WORLD'S BIGGEST CAVE - This hidden world has its own river and rainforest

Hang Son Doong in Vietnam was created 2-5 million years ago by river water eroding away the limestone underneath the mountain where the limestone was weak, the ceiling collapsed creating huge skylights.

Photos by John Spies, Barcroft Media - Daily Mail





See more stunningly beautiful pictures and video

http://www.dailymail.co.uk/travel/article-2663592/Photographer-captures-stunning-views-worlds-biggest-cave.html

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Related
Alien slime found in ancient Australian cave. It  feeds by oxydizing ammonia from cave salt.  Scientists speculate that this lifeform arrived with a marine flood.
http://ottersandsciencenews.blogspot.ca/2013/03/biology-news-alien-slime-found-in-cave.html

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