. >> john nshould not be alive. >>> and look who stop by to say hello. >> how this turned into a nature drive-through. >> i'll take one of those. >>> i've got an incredible story of survival from epic tv. >> oh. >> whoa. is he planting that icicle? >> he's a professional mountain guide, the guys knows what he's doing. his buddy explains. >> anytime you get on a free-hanging piece of ice you got to judge what's going on that piece of ice. john was smart. if he put in ice screws, it probably would have killed him. >> will and john were climbing this ice fall when john realized this thing was pretty thin. it was kind of sketchy and he knew from the beginning that he really had to be very, very careful ascending this thing. >> when i first walked up to it and immediately it's in your face. it's super thin. it wasn't as wide as my shoulders maybe. >> john took his time. towards the top he's trying to gain a little bit more of a hold with his ice ax and he describes that he used about five strikes. >> and that fifth one unleashed everything. >> watch this. >> no! >> oh, no. >> shoot. the whol