Main structures of Beijing-Zhangjiakou High-Speed Railway line completed

Photo taken on Aug. 23, 2019 shows the construction site of Badaling Changcheng Railway Station of the Beijing-Zhangjiakou High-Speed Railway in Beijing, capital of China. The main structure of Badaling Changcheng Railway Station is capped on Friday, marking all main structures of the railway line have been completed. (Xinhua/Zhang Chenlin)