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A child demonstrates cycling skills during the 29th China International Bicycle Fair at the National Exhibition and Convention Center (Shanghai) in Shanghai, east China, May 6, 2019. (Xinhua/Fang Zhe)
A child demonstrates cycling skills during the 29th China International Bicycle Fair at the National Exhibition and Convention Center (Shanghai) in Shanghai, east China, May 6, 2019. (Xinhua/Fang Zhe)