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Photo taken on Oct. 13, 2018 shows a water-saving hand washing device on the International Innovation Fair in Haidian District of Beijing, capital of China, Oct. 13, 2018. (Xinhua/Luo Xiaoguang)?
Int'l Innovation Fair held in Beijing
Source: Xinhua| 2018-10-13 21:13:46|Editor: Li Xia
