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Kubo Koki of Japan competes during the men's 1000m race at the ISU Four Continents Speed Skating Championships in Milwaukee, the United States, Feb. 2, 2020. (Xinhua/Li Ying)
Kubo Koki of Japan competes during the men's 1000m race at the ISU Four Continents Speed Skating Championships in Milwaukee, the United States, Feb. 2, 2020. (Xinhua/Li Ying)