Incredible right? It is like a scene from some alien planet, or a scene from Superman’s fortress of Ice.
In fact, this is somewhere on Planet Earth, the Cueva de los Cristales, the Giant Crystal Cave, in Mexico. It is one of the deadliest place on earth, and even with full suit protection, we can only stay inside for less than 20 minutes. Less than 100 people have seen this cave.
For more incredible pictures and source, please go to National Geographic.