
Sun Yu of China returns the shuttlecock during the women's singles second round match against Lyanny Alessandra Mainaky of Indonesia at the BWF Badminton World Championships in Glasgow, Britain, on Aug. 22, 2017. Sun Yu won 2-0. (Xinhua/Shan Yuqi)

Sun Yu of China returns the shuttlecock during the women's singles second round match against Lyanny Alessandra Mainaky of Indonesia at the BWF Badminton World Championships in Glasgow, Britain, on Aug. 22, 2017. Sun Yu won 2-0. (Xinhua/Shan Yuqi)