Located deep in a Mexican rain forest, nestled high atop a majestic mountain slope, sleeps the eighth wonder of the world, Sótano de las Golandrinas, (Cave of the Swallows), which is a 1,400 foot subterranean cave. Come along on a true adventure that takes you on a journey with world-class BASE jumpers as they investigate this enormous cave. Their ultimate goal is to jump from the cave’s small 160 foot opening and freefall several seconds before opening their parachutes and landing safely on the cave floor. Amazing video captures jumpers from every possible position including belly cams and head cams.