Chen Qingchen (Back) and Jia Yifan of China compete during the women's doubles third round match against Anastasia Chervyakova and Olga Morozova of Russia at the BWF Badminton World Championships in Glasgow, Britain, on Aug. 24, 2017. Chen Qingchen(Back) and Jia Yifan won 2-0. (Xinhua/Shan Yuqi)