We all know that avalanches are pretty scary and dangerous things. If you ever hear about anyone involved in one it's not generally good news. Luckily this is a story where the ending is a good one but it comes with a message. Even the best skiers have to be aware of the risk of avalanches when they hit the mountains. Here's Sage Cattabriga-Alosa as he almost gets swept away by a giant avalanche in Alaska.