Regularly spaced watch towers on a section of the Great Wall Changcheng built over a long period from the 5th c BC to the 16th c AD at Simitai

Size: 6632px × 4390px
Photo credit: © AA World Travel Library / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: asia, blue, changcheng, china, great, hills, mountain, north, peak, simitai, sky, stone, sunny, tower, wall