National Geographic Channel Naked Science

Season 5 Episode 15

Giant Crystal Cave

Aired Thursday 8:00 PM Oct 12, 2008 on National Geographic
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Episode Summary

Giant Crystal Cave
Scientists explore a Mexican cave that is home to some of the largest crystals ever discovered. They use special protective suits and equipment to enter the harsh environment where temperatures hover around 120 degrees Fahrenheit and humidity exceeds 80 percent. Their goal is to determine how these ancient crystals were formed.moreless

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