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Video showing 3 chimneys rising from the deep sea floor. Smokey steam is being emitted from the chimneys.

Voice: Can you imagine hot springs underwater at the bottom of the ocean? They are called hydrothermal vents and scientists were very surprised to find them. The vents have acid and chemicals that would usually be harmful to animals. So it was a bigger surprise to find organisms like worms and crabs near the vents.