Qinglongqiao Railway Station

Where the Great Wall meets the Beijing – Zhangjiakou Railway

40°21'5"N 116°1'12"E

The rail station, with the Great Wall in the background

Statue of Chief Engineer Zhan Tianyou, who is buried here

The switchback rail designed by Zhan Tianyou

The original switchback mechanism

View of the Great Wall heading south towards Shuiguan

View of the Great Wall heading north towards Badaling