Choi Ga-on’s incredible journey from fractured back to broken bones and Olympic gold

By Gawon Bae, CNN Seoul, South Korea (CNN) — Choi Ga-on walks in very quietly with a faint smile, seemingly camera-shy. But just a month ago, this teenage South Korean snowboarder stunned the world when she made an incredible comeback from injury to complete her final halfpipe run at the Winter Olympics, clinching the gold