==Sci. Ch. - Secrets of the Underground Mystery of the Ice Cave (2017)==

[[http://forums.mvgroup.org/index.php?showtopic=72411|Sci. Ch. - Secrets of the Underground Mystery of the Ice Cave (2017)]] {{:hdimage.jpg?20|}}

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**Secrets of the Underground Mystery of the Ice Cave**

A strange cave freezes in the summer and melts in the winter, and a massive sand dune swallows a small child in an instant. Rob Nelson and Stefan Burns use cutting-edge technology to investigate these mysteries of the natural world.

==See Also==

{{http://www.tvguide.com/tvshows/secrets-of-the-underground/episodes/1047460/|TV Guide Site}}

==Trailer==

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