Standing at the top of the mountain, you can hardly make out the path below, much less the bottom of the run. The icy wind whips around you, kicking up white powder and making it even harder for you to see. You strap your goggles on, tighten your gloves one more time and take a deep breath. Before you know it, you're zipping down the mountain. Trees are nothing but a blur as you fly past. This is just the beginning — will you survive the descent?