Gold medalist Kelsey Serwa (C) of Canada, silver medalist Brittany Phelan (R) of Canada and bronze medalist Fanny Smith of Switzerland pose for photos during medal ceremony of ladies' ski cross of freestyle skiing at the 2018 PyeongChang Winter Olympic Games at Medal Plaza, PyeongChang, South Korea, Feb. 23, 2018. (Xinhua/Bai Xuefei)