《中国长城》The great wall of ChinaBy William Edgar Geil照片插图1909年
PhotobyH.G.Ponting、F.R.C.S.[Copyright.] THE GREAT WALLASCENDINGA STEEP DECLIVITY NEARTHE NANKOWPASS.
TheGrestWallofChina PhotobyDr.
TheGretWall ofClin Pleotoby Dr.Geil Ehe village of Chiachienkow as seen fron. 