![](http://photos1.blogger.com/blogger/2706/3096/400/Blue-lake-cave.jpg)
Discovered in 1924, the cave has in its interior a blue lake with dimensions that make it one of the biggest flooded cavities of the planet. After a descent of 100 meters, we're faced with a lake with intense blue water, whose depth is about 90 meters.
Now, that is BEAUTIFUL! :)))