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Visitors tour at the 7th China characteristic commodity expo in Sanmenxia, central China's Henan Province, May 10, 2019. The expo fair kicked off here Friday. (Xinhua/Li Jianan)
Visitors tour at the 7th China characteristic commodity expo in Sanmenxia, central China's Henan Province, May 10, 2019. The expo fair kicked off here Friday. (Xinhua/Li Jianan)