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Deep seabed

Duration: 02:11

There are just 5 submersibles that can travel down to the abyssal plains of the ocean floor. Fish have even been discovered at the very bottom of deep sea trenches. We actually know more about the surface of the moon, than we do about these abyssal plains. (Courtesy of WHOI)

Available since: Fri 17 Jun 2011

This clip is from

The Blue Planet The Deep

2/8 David Attenborough looks at the strange creatures that live in the depths of the ocean.

First broadcast: 19 Sep 2001

Image for The Deep Not currently available on BBC iPlayer

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