Inside the glacier-cave: Amazing underground chamber with giant ice slides that never melt140 metre deep cave is beneath the Rocky Mountains
Crystal clear ice makes explorers feel they are flying, while unique acoustics make it almost impossible to converse
These are the stunning images which capture the breathtaking beauty of a new world discovered in an ice chasm beneath the Rocky Mountains.
The cave, called Booming Ice Chasm, was named for it's incredible acoustics - as falling rocks crash and 'boom' when they tumble down the 140 metre deep cave.
The crystal clear ice is several meters thick - and explorers say navigating across it makes them feel like they are flying
![](http://800003.xyz/files/funzug/imgs/adventure/inside_glacier_cave_01.jpg)