A photo taken from the ninth beacon shows a daytime view of the Simatai section of the Great Wall in Beijing's Miyun district, July 25, 2023. The Simatai section of the Great Wall is situated in northeast Beijing's Miyun district. It is the only section that retains its original appearance in the Ming Dynasty (1368-1644). UNESCO has identified it as the "Original Great Wall." [Photo by Li Yifan/China.org.cn]