South Korea's Seo Yira competes during the men's 500m short track speed skating competition at the 2017 Sapporo Asian Winter Games in Sapporo, Japan, Feb. 21, 2017. (Xinhua/Yang Shiyao)
South Korea's Seo Yira competes during the men's 500m short track speed skating competition at the 2017 Sapporo Asian Winter Games in Sapporo, Japan, Feb. 21, 2017. (Xinhua/Yang Shiyao)