Douglas Summers
Member
I wonder how much more there is to discover tha man does not know about on this planet? This crystal cave seems like something from a science fiction movie.
- Largest Crystals in the World: Giant Crystal Cave, Mexico
www.tourismontheedge.com/...crystals...world-giant-crystal-cave-mexico
The spectacular Giant Crystal Cave is connected to the Naica Mine, located in Chihuahua, Mexico. 300 meters bellow the surface.