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Photo taken on Oct. 31, 2017 shows the scenery of Zishan park constructed on the site of an abandoned mine in Handan City, north China's Hebei Province. (Xinhua/Wang Xiao)
Photo taken on Oct. 31, 2017 shows the scenery of Zishan park constructed on the site of an abandoned mine in Handan City, north China's Hebei Province. (Xinhua/Wang Xiao)