This is one of the most riveting videos I’ve ever seen: video shot by a backcountry skier as he is buried in and then rescued from an avalanche. By about 4:30 in, I was hyperventilating right along with him, and the moment (at about 6:05) when his rescuers uncover his face is unbelievably powerful. (The video page has a lot of good backstory.)
Avalanche Skier POV Helmet Cam Burial & Rescue in Haines, Alaska from Chappy on Vimeo.