we're on our own. >> climbing. >> we've chosen to live a life that does have risks. >> oh, my god. >> one mistake, and you're dead. >> come on now. >> if you harness that fear, you can do something that you never thought possible. >> is the pursuit worth the risk? ♪ >> to be able to make a journey through a place so few other people have experienced is like maybe being the first person that goes to the moon or the first person that goes to the top of mount everest. this is a place that doesn't