is 302.02 KB, has a resolution of 705x521 pixels and was uploaded on May 12, 2018 @ 1:58 am by user: gustaulz. It is filed under the tags: dunhuang, ecoregion, rock, mogao caves, sky. Click the blue button at the top to freely download: Gansu Qianfo Cave Mogao Caves Soil Ecoregion Sand png.