China Yunnan Pu'er Tea Expo held in Pu'er City, SW China's Yunnan
Source: Xinhua| 2018-08-26 16:31:33|Editor: Li Xia
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Visitors learn about tea products at the China Yunnan Pu'er Tea Expo in Pu'er City, southwest China's Yunnan Province, Aug. 26, 2018. (Xinhua/Xie Ziyi)
