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Tourists feed fish at a wetland scenic spot in Caofeidian of Tangshan, north China's Hebei Province, Oct. 2, 2018, the second day of the week-long National Day holiday. (Xinhua/Cao Daqing)

Tourists feed fish at a wetland scenic spot in Caofeidian of Tangshan, north China's Hebei Province, Oct. 2, 2018, the second day of the week-long National Day holiday. (Xinhua/Cao Daqing)