When dense briny water (left behind by newly formed sea ice) sinks, it freezes the water around it, forming an icicle that stretches to the sea floor. Then it freezes water and wildlife on the sea floor. David Attenborough narrates:
When dense briny water (left behind by newly formed sea ice) sinks, it freezes the water around it, forming an icicle that stretches to the sea floor. Then it freezes water and wildlife on the sea floor. David Attenborough narrates: