View of Great Wall in China's Inner Mongolia

Aerial photo taken on June 27, 2022 shows a section of the Great Wall built in Ming dynasty (1368-1644) in Qingshuihe County, Hohhot, north China's Inner Mongolia Autonomous Region. (Xinhua/Li Zhipeng)

Photo taken on June 27, 2022 shows a section of the Great Wall built in Ming dynasty (1368-1644) in Qingshuihe County, Hohhot, capital of north China's Inner Mongolia Autonomous Region. (Xinhua/Li Zhipeng)

Photo taken on June 27, 2022 shows a section of the Great Wall built in Ming dynasty (1368-1644) in Qingshuihe County, Hohhot, north China's Inner Mongolia Autonomous Region. (Xinhua/Li Zhipeng)

Aerial photo taken on June 27, 2022 shows a section of the Great Wall built in Ming dynasty (1368-1644) in Qingshuihe County, Hohhot, north China's Inner Mongolia Autonomous Region. (Xinhua/Li Zhipeng)

Photo taken on June 27, 2022 shows a section of the Great Wall built in Ming dynasty (1368-1644) in Qingshuihe County, Hohhot, north China's Inner Mongolia Autonomous Region. (Xinhua/Zhu Wenzhe)