We use cookies to improve your experience of our website. Cookies perform functions like recognising you each time you visit and delivering advertising messages that are relevant to you. Read more here

Return to the Giant Crystal Cave

Series 1-Episode 2
Premiere

Series 1-Episode 2

Wed 5 Oct 7pm - 8pm Nat Geo Wild
HD SUB WIDE AD SUR
Watchlist
ADVERTISEMENT

Summary

Part two of two. Documentary following a team of scientists investigating a cave system in Naica, Mexico, that holds 50-ton crystals, each softer than a finger nail and some stretching up to 11 metres long. However, with temperatures of 114 degrees, and 100 per cent humidity, the experts must use preheated cameras to investigate them and try to understand their formation.

Nature Documentary

Have Your Say What did you think of Return to the Giant Crystal Cave?

view all comments (0)