Swallowed By A Sink Hole

2014
50:04

Episode of September 22, 2014

Expired 3.0 62 x
What causes sinkholes? And is there anything we can do about them? In this geological detective story, Professor Iain Stewart unearths millions of years of the earth’s history as he searches for the answers. On 28 February 2013, in a quiet residenti...
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