Photo taken on Jan. 19, 2021 shows a snow-covered Mutianyu section of the Great Wall in Huairou District, Beijing, capital of China. (Photo by Bu Xiangdong/Xinhua)
Photo taken on Jan. 19, 2021 shows a snow-covered Mutianyu section of the Great Wall in Huairou District, Beijing, capital of China. (Photo by Bu Xiangdong/Xinhua)
Aerial photo taken on Jan. 19, 2021 shows a snow-covered Mutianyu section of the Great Wall in Huairou District, Beijing, capital of China. (Photo by Bu Xiangdong/Xinhua)
Aerial photo taken on Jan. 19, 2021 shows a snow-covered Mutianyu section of the Great Wall in Huairou District, Beijing, capital of China. (Photo by Bu Xiangdong/Xinhua)
Aerial photo taken on Jan. 19, 2021 shows a snow-covered Mutianyu section of the Great Wall in Huairou District, Beijing, capital of China. (Photo by Bu Xiangdong/Xinhua)