Just three years ago, cross-country skier Hannah Halvorsen was hit by a car and suffered a traumatic brain injury. She had to learn how to walk again, but was back on skis in 11 months--and is now an Olympian.
Don’t miss the most exciting moments of the Winter Olympics in Beijing! Sign up for our Olympics newsletter.
Get a weekly recap of the latest San Francisco Bay Area housing news. Sign up for NBC Bay Area’s Housing Deconstructed newsletter.