Snow scenery of Simatai section of Great Wall in Beijing

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial panoramic photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall in Beijing, capital of China. (Xinhua/Chen Yehua)

This aerial photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Cai Yang)

This aerial panoramic photo taken on Feb. 19, 2023 shows snow scenery of the Simatai section of the Great Wall at sunrise in Beijing, capital of China. (Xinhua/Chen Yehua)