View of Gubeikou Great Wall in Beijing

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows sunset view seen from the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Bin)

This photo taken on Nov. 14, 2023 shows a view of the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Bin)

A tourist visits the Gubeikou Great Wall in Beijing, capital of China, on Nov. 14, 2023. (Xinhua/Chen Bin)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Bin)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall at sunset in Beijing, capital of China. (Xinhua/Chen Bin)

Tourists visit the Gubeikou Great Wall in Beijing, capital of China, on Nov. 14, 2023. (Xinhua/Li Jing)

A tourist visits the Gubeikou Great Wall in Beijing, capital of China, on Nov. 14, 2023. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Bin)

This photo taken on Nov. 14, 2023 shows a view of the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Bin)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

A tourist visits the Gubeikou Great Wall in Beijing, capital of China, on Nov. 14, 2023. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Bin)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Li Jing)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Zhonghao)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall at sunset in Beijing, capital of China. (Xinhua/Chen Zhonghao)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Zhonghao)

This aerial photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Zhonghao)

This aerial photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall in Beijing, capital of China. (Xinhua/Chen Zhonghao)

This aerial photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall at sunset in Beijing, capital of China. (Xinhua/Chen Zhonghao)

This photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall at sunset in Beijing, capital of China. (Xinhua/Chen Zhonghao)

This aerial photo taken on Nov. 14, 2023 shows the Gubeikou Great Wall at sunset in Beijing, capital of China. (Xinhua/Chen Zhonghao)