Aerial photo taken on Oct. 23, 2016 shows the autumn scenery of the Chengde Mountain Resort in Chengde, north China's Hebei Province. (Xinhua/Wang Liqun)
Aerial photo taken on Oct. 23, 2016 shows the autumn scenery of the Chengde Mountain Resort in Chengde, north China's Hebei Province. (Xinhua/Wang Liqun)