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Aerial photo taken on Oct. 3, 2018 shows the Jinshanling Great Wall in Luanping County of Chengde, north China's Hebei Province. (Xinhua/Wang Liqun)
Aerial photo taken on Oct. 3, 2018 shows the Jinshanling Great Wall in Luanping County of Chengde, north China's Hebei Province. (Xinhua/Wang Liqun)