As a species, we have long considered ourselves the most dominant on the planet, laying claim to the territories and natural resources we discover. And yet, over two thirds of the world remain beyond our reach, hidden deep beneath seemingly endless stretches of water. What do those depths hold for those who succumb to their hidden dangers? MUSIC  Tracks used by kind permission of Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 Tracks used by kind permission of CO.AG