>> you hear one hit, you hear the second hit and then you hear the final thump. in my mind, i'm just wondering what just went on, what happened. >> david scrambles to the canyon's edge and peers down. >> i got into kind of panic mode. >> hey, you okay? >> i'm like is he dead? because he's not responding. >> at the bottom of the wall of rock, eric comes to. >> i looked at my hands, saw a bloody mess, checked myself out, immediately stood up. >> and it dawns on him, amazingly, he's still alive. >> i knew i had just been part of a miracle. modern day miracle caught on tape. >> david now has to rappel to his friend in the canyon below. >> i asked him what happened, you okay. he just shows me his hands and his hands were just all blistery, all meaty. >> i knew i had just survived a fall that i should not have survived. >> and now there's only one way