TED Talks posted a video to their YouTube page today, showing the beauty and wonder of the lost world of underwater caves.

The caption for the video states "Cave diver Jill Heinerth explores the hidden underground waterways coursing through our planet. Working with biologists, climatologists and archaeologists, Heinerth unravels the mysteries of the life-forms that inhabit some of the earth's most remote places and helps researchers unlock the history of climate change. In this short talk, take a dive below the waves and explore the wonders of inner space".

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