Photo taken on April 10, 2017 shows a worker testing a shared bike ready to be put into use in Nancaicun township, Wuqing District of Tianjin, north China. The sharing economy, originated in 1970s in the U.S., is growing rapidly in China and has brought great changes to people's life providing more economic, verified and convenient services.(Xinhua/Dong Xin)
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