Synopsis

"Extreme Cave Diving" chronicles a team of intrepid scientists who explore blue holes—submerged caves sculpted during the last ice age when sea levels were nearly four hundred feet lower than they are now. These hidden gems of the Bahamas represent one of Earth's most unexplored and potentially perilous realms. Led by the celebrated cave explorer Kenny Broad, the interdisciplinary team of biologists, climatologists, and anthropologists uncovers compelling evidence of the islands' earliest human