This is how, and why, explorers go cave diving
Bring multiple light sources, more than enough air, and follow the line.
By Rob Verger July 6, 2018
Marcin Gala / U.S. Deep Caving Team
With 12 boys trapped 2.5 miles deep in a cave in northern Thailand, one likely way for them to exit the winding chamber is for them to dive through the flooded portions—with help from rescuers.
Such cave diving, as it’s know to professional cavers, can be dangerous. That point was hammered home Friday when a rescue diver in Thailand, Saman Kunan, died, reportedly from a lack of oxygen, while delivering supplies.
https://www.popsci.com/cave-diving
