More ideas from ながめ
f:id:q-rais:20171114204108j:plain

f:id:q-rais:20171114204108j:plain

The Cave of the Crystals, Naica, Mexico A thousand feet underground in a working lead and silver mine in Chihuahua, Mexico, opaque crystals of gypsum—some as large as four feet wide and 50 feet long—sprout at all angles from the volcanically heated water below. Temperatures in the cave, which was discovered only in 2000, can reach 150 degrees with nearly 100 percent humidity, conditions that only a superhuman could survive in for long.

The Cave of the Crystals, Naica, Mexico A thousand feet underground in a working lead and silver mine in Chihuahua, Mexico, opaque crystals of gypsum—some as large as four feet wide and 50 feet long—sprout at all angles from the volcanically heated water