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Ali Artur of Russia competes during China Qinghai international curling competition against Czech republic in Xining, capital of northwest China's Qinghai Province, Dec. 15, 2018. (Xinhua/Zhang Hongxiang)

Ali Artur of Russia competes during China Qinghai international curling competition against Czech republic in Xining, capital of northwest China's Qinghai Province, Dec. 15, 2018. (Xinhua/Zhang Hongxiang)