Gold medalist Cassie Sharpe of Canada (C), silver medalist Marie Martinod of France (L) and bronze medalist Brita Sigourney of the U.S. pose for group photos after winning ladies' ski halfpipe of freestyle skiing at the 2018 PyeongChang Winter Olympic Games at Phoenix Snow Park, PyeongChang, South Korea, Feb. 20, 2018. (Xinhua/Lui Siu Wai)