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Kong Lingwei (front R) and Ge Manqi (front L) of team China compete during Women's 4X100m Relay Heat at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 4, 2019. (Xinhua/Li Ming)
Kong Lingwei (front R) and Ge Manqi (front L) of team China compete during Women's 4X100m Relay Heat at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 4, 2019. (Xinhua/Li Ming)