Secrets Underground

9:00 PM to 10:00 PM

Monday 5 January

Mystery of the Ice Cave

Season 2 Episode 6 of 8

A strange cave freezes in summer and melts in winter, and a huge sand dune swallows a small child in an instant. Rob and Stefan explore these mysteries

Secrets Underground airs on Discovery History at 9:00 PM, Monday 5 January. (Subtitles, audio description.)

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