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Naica: Secrets of the Crystal Cave

A team of international scientists explore a Mexican cave filled with giant crystals. With temperatures near 120 degrees Fahrenheit, and over 80 per cent humidity, the cave is one of the deadliest environments on earth. Without specialized suits and equipment, the scientists would die in minutes. Their mission: to unlock the secrets of the mysterious ancient crystals, some of the largest ever discovered.

English
  • Originally Aired May 9, 2009
  • Runtime 45 minutes
  • Content Rating United States of America TV-G
  • Network Discovery
  • Created May 28, 2017 by
    Administrator admin
  • Modified May 28, 2017 by
    Administrator admin