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Japan's Kojima Karin competes during the boulder female juniors combined final at the 2019 Asian Combined Youth Championships in Chongqing, southwest China, Nov. 16, 2019. (Xinhua/Tang Yi)

Japan's Kojima Karin competes during the boulder female juniors combined final at the 2019 Asian Combined Youth Championships in Chongqing, southwest China, Nov. 16, 2019. (Xinhua/Tang Yi)