An aerial photo captures part of the Great Wall in Dunhua, Tangshan city in North China's Hebei province, Nov 12, 2019. Early winter is one of the best seasons to visit the Great Wall: The magnificent rolling mountains are added a bleak touch as the leaves fall. (Photos: Xinhua)

Part of the Great Wall twists and turns through mountains in Qian'an, Tangshan city in North China's Hebei province, Nov 11, 2019.

Golden leaves adds color to the landscape surrounding the Great Wall in Dunhua, Tangshan city in North China's Hebei province, Nov 11, 2019.

An aerial photo captures part of the Great Wall in Dunhua, Tangshan city in North China's Hebei province, Nov 12, 2019.