Naïca: La grotte aux cristaux géants
Naïca: La grotte aux cristaux géants
Naïca: La grotte aux cristaux géants na Bombuj. Discovered by accident in one of the largest zinc and silver mines in northern Mexico, the Naica cave, filled with enormous selenite gypsum crystals, contains a highly toxic atmosphere. After years of preparation, a team of speleologists, biologists, and NASA members are exploring this natural wonder.
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