by DocumentalesMexic0
June 09, 2010

from YouTube Website

 

A team of international scientists explore a Mexican cave filled with giant crystals.

 

With temperatures near 120 Fahrenheit (48.8 Celsius), and over 80% 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.