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
Children ride at the Balance Bike Riders' Asian Championship held in Haikou, south China's Hainan Province, Aug. 17, 2019. (Xinhua/Guo Cheng)
Children ride at the Balance Bike Riders' Asian Championship held in Haikou, south China's Hainan Province, Aug. 17, 2019. (Xinhua/Guo Cheng)