jiayuguan city

ancient architecture asia asian blue brown building castle china chinese circumvallation city cloud clouds construction desert deserts desolate door drought dusk earth east eastern entrance environment famous field gobi great greatwall historic history hot landmark landscape monuments mud natural nature old oriental pagoda pattern place rampart relics ruin ruins sand sands scenery scenic shadow sightseeing silhouette site sites sky tourism tower town travel upright wall western white wide wild wood wooden yellow