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A woman uses her cellphone to unlock a shared bicycle in Sapporo, Japan, on Aug. 22, 2017. Mobike, one of China's largest bike-sharing companies, launched its service in Sapporo, Japan, on Tuesday. (Xinhua/Hua Yi)
A woman uses her cellphone to unlock a shared bicycle in Sapporo, Japan, on Aug. 22, 2017. Mobike, one of China's largest bike-sharing companies, launched its service in Sapporo, Japan, on Tuesday. (Xinhua/Hua Yi)