Aerial photo taken on Nov. 12, 2021 shows the scenery of the Wulingyuan Scenic Area in Zhangjiajie City, central China's Hunan Province. (Photos: Xinhua)

Aerial photo taken on Nov. 12, 2021 shows the scenery of the Wulingyuan Scenic Area in Zhangjiajie City, central China's Hunan Province.

Aerial photo taken on Nov. 14, 2021 shows a winter landscape of Tianquan Lake in Xuyi County, east China's Jiangsu Province.

Photo taken on Nov. 14, 2021 shows the winter scenery of the Summer Palace in Beijing, capital of China.

Photo taken on Nov. 14, 2021 shows the winter scenery of the Summer Palace in Beijing, capital of China.

Photo taken on Nov. 14, 2021 shows the view of Guangzhou, capital of south China's Guangdong Province.

Photo taken on Nov. 14, 2021 shows the view of Guangzhou, capital of south China's Guangdong Province.