Steve Backshall's Extreme Mountain...
BBC TWO
Saturday 20 January 2018 10:00 - 11:00 (60 mins)
...Challenge. Nature documentary. Joining up with a team of elite Italian cavers, Steve ventures deep within a tepui, inside a newly discovered cave. Also in HD. [AD,S]
Steve Backshall's Extreme Mountain... may be available on playback
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