Imagine a sport that combines the beauty of surfing, the high-speed thrill of downhill skiing, the punk styles of skateboarding, and the grace of ballet. That sport is snowboarding. Standing sideways on my snowboard, I love the thrill of gliding down mountain slopes at speeds up to 65 miles per hour. I love to spray snow into the air like frozen rainbows. At times, I would daringly jump off cliffs into soft, white snow and I'm always thinking of what stunts or tricks that I'll do on the next run. During breaks, I also enjoy sitting down to relax and look down at the tremendous view tha…