Join the conversation
Log in or create an account to leave a comment
Log In
Over millions of years, it forms a layer of mud
up to a mile thick
up to a mile thick
Full Transcript
00:00:01.000 --> 00:00:02.719
Over millions of years,
00:00:02.799 --> 00:00:07.317
it forms a layer of mud
up to a mile thick.
Want This Clip in HD?
Upgrade for HD/4K downloads and unlimited access. Upgrade now →
Movie Summary
David Attenborough returns to the world's oceans in this sequel to the acclaimed documentary filming rare and unusual creatures of the deep, as well as documenting the problems our oceans face.