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People take part in the 2019 Xiaker Nation International Obstacle Course Race in Deqing, east China's Zhejiang Province, on April 21, 2019. (Xinhua/Xu Yu)
People take part in the 2019 Xiaker Nation International Obstacle Course Race in Deqing, east China's Zhejiang Province, on April 21, 2019. (Xinhua/Xu Yu)