Still in the Tannin-stained waters of the Sunken Valley the team explore in virtual darkness looking for the mysterious sea pens. Time-lapse photography reveals the behaviour of these extraordinary creatures which anchor themselves to the seabed. Amazing clip taken from the BBC's Ocean series. Visit [ Ссылка ] for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here: [ Ссылка ]
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