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Liu Cheng/Zhang Nan (R) of China compete during the men's doubles quarterfinal match against Li Junhui/Liu Yuchen of China at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 23, 2019. (Xinhua/Li Jundong)
Liu Cheng/Zhang Nan (R) of China compete during the men's doubles quarterfinal match against Li Junhui/Liu Yuchen of China at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 23, 2019. (Xinhua/Li Jundong)