Dental care activity held in kindergarten in Hefei, E China's Anhui

          Source: Xinhua| 2019-09-17 15:22:04|Editor: Li Xia
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          CHINA-ANHUI-DENTAL CARE DAY-ACTIVITY (CN)

          Children learn the right way to brush teeth in a kindergarten in Hefei, capital of east China's Anhui Province, Sept. 17, 2019. (Xinhua/Liu Junxi)

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