2-651-881 - The Print Collector/Heritage Images

'China. Until 1909 the only way over the difficult country between Peking and Kalgan was by this stony Nankow Pass. In that year a Chinese railway was completed, piercing the Great Wall and the pass by four tunnels', c1920. Nankow Pass is one of the alternative names of Juyong Pass, one of the three greatest mountain passes of the Great Wall of China. From Geographical Magazine, Volume 2, c1920.