Kenny Broad, an environmental anthropologist and National Geographic Expeditions Council grantee, says the first rule in cave diving is to always run a continuous guideline.
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You can read more about the Blue Holes Project here: http://www.nationalgeographic.com/explorers/projects/blue-holes/
Find out more about Kenny’s work here:
http://www.nationalgeographic.com/explorers/bios/kenny-broad/
Click here to read the blog: http://voices.nationalgeographic.com/2015/10/08/extreme-cave-diving-with-a-purpose/
PRODUCER/EDITOR: Carolyn Barnwell
SERIES PRODUCER: Jennifer Shoemaker
DIRECTOR OF PHOTOGRAPHY: Wes C. Skiles
Caught in an Underwater Avalanche | Expedition Raw
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