Over thirteen thousand feet below the surface, hundred-foot hydrothermal vents spew black, 690 degree fluid like chimneys from the ocean floor. Tiny crabs, shrimp and limpets scuttle beneath the smokestacks, and a remotely-operated vehicle named SuBastian went down there recently to join them.
Source: Gizmodo – Breathtaking New Video Footage of the Ocean’s Deepest Trench