Dig in deep into the Naica Crystal Caves in Chihuahua, Mexico, and get nothing less than massive crystals. The cave conditions are extreme: it has a constant temperature of 58 degrees Celcius (136 °F) and very high humidity.
Trekkers are given a suit full of icebags with a respirator when they had to explore the cave. And they got to move quickly because the longer your stay in there, the more you lose your brain functions.
1 comment(s):
Thanks so much, Gerard!
- Pish, WhenOnEarth.net
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