Aerial photo taken on March 3, 2019 shows the scenery of ancient architectural complex on the main peak of Tayun Mountain after a snowfall in Chaiping Township, Zhen'an County, northwest China's Shaanxi Province. (Photos: Xinhua)

Aerial photo taken on March 3, 2019 shows the scenery of the Tayun Mountain after a snowfall in Chaiping Township, Zhen'an County, northwest China's Shaanxi Province.

Aerial photo taken on March 3, 2019 shows the scenery of ancient architectural complex on the main peak of Tayun Mountain after a snowfall in Chaiping Township, Zhen'an County, northwest China's Shaanxi Province.

Aerial photo taken on March 3, 2019 shows the scenery of ancient architectural complex on the main peak of Tayun Mountain after a snowfall in Chaiping Township, Zhen'an County, northwest China's Shaanxi Province.

Aerial photo taken on March 3, 2019 shows the scenery of the Tayun Mountain after a snowfall in Chaiping Township, Zhen'an County, northwest China's Shaanxi Province.

Aerial photo taken on March 3, 2019 shows the scenery of ancient architectural complex on the main peak of Tayun Mountain after a snowfall in Chaiping Township, Zhen'an County, northwest China's Shaanxi Province.