
Lin Dan of China competes during the men's singles semifinal match against Son Wan Ho of South Korea at BWF Badminton World Championships 2017 in Glasgow, Britain, on Aug. 26, 2017. Lin Dan won 2-0. (Xinhua/Han Yan)

Lin Dan of China competes during the men's singles semifinal match against Son Wan Ho of South Korea at BWF Badminton World Championships 2017 in Glasgow, Britain, on Aug. 26, 2017. Lin Dan won 2-0. (Xinhua/Han Yan)