写真素材 - One of the towers of Jiayuguan Fort, Gansu, China. Known as "first pass under the heaven", it was the most western fort of ancient china on the silk road, the end of civilization before the Gobi desert
One of the towers of Jiayuguan Fort, Gansu, China. Known as "first pass under the heaven", it was the most western fort of ancient china on the silk road, the end of civilization before the Gobi desert