Return to Crystal Cave aka Naica 2 NGCUS Episode Code: 4636

Naica, Chihuahua, MEXICO: Marc Beverly, veteran mountain rescuer and certified mountain guide, Þtted with an HD helmet camera, is starting his 150 meter descent to what could be a new natural cave at Naica. Above him, an alloy tripod and a single rope attached to a winch Þtted behind his truck; below him, 600 meters of vertical drop. Once he is suspended above the hole, only his experience and high grade equipment protect him from certain death.
(Photo Credit: © Speleoresearch & Films/ Oscar Necoechea)