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![CHINA-WU'AN-PARK-ECOLOGICAL RESTORATION (CN)](138428172_15695703714621n.jpg)
Aerial photo taken on Sept. 26, 2019 shows a view of Jiulongshan ecological restoration park constructed on abandoned mines in Wu'an City, north China's Hebei Province. (Xinhua/Wang Xiao)
Aerial photo taken on Sept. 26, 2019 shows a view of Jiulongshan ecological restoration park constructed on abandoned mines in Wu'an City, north China's Hebei Province. (Xinhua/Wang Xiao)