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Speculation is that what it may have been observing was
actually volcanic activity
actually volcanic activity
Full Transcript
00:00:01.000 --> 00:00:02.673
Speculation is that what it may
00:00:02.696 --> 00:00:06.213
have been observing was
actually volcanic activity.
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Movie Summary
The deep-sea remains a dangerous & unexplored frontier, a place that swallows evidence and where the unknown is normal. Jeremy Wade searches for answers behind the world's most iconic & baffling underwater mysteries known to science.