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China's Han Cong (L) and Sui Wenjing perform during the pairs' short program competition of 2019 ISU World Figure Skating Championships at Saitama Super Arena in Saitama, Japan, on March 20, 2019. (Xinhua/Du Xiaoyi)
China's Han Cong (L) and Sui Wenjing perform during the pairs' short program competition of 2019 ISU World Figure Skating Championships at Saitama Super Arena in Saitama, Japan, on March 20, 2019. (Xinhua/Du Xiaoyi)