D2 descends on seafloor densely populated with a diversity of deep-sea corals and sponges.
Seafloor
Image courtesy of the NOAA Office of Ocean Exploration and Research, Exploring Atlantic Canyons and Seamounts 2014. Download larger version (jpg, 1.2 MB).

D2 descends on seafloor densely populated with a diversity of deep-sea corals and sponges.

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