Ключевые слова: arid landscape, asia, barren, beauty in nature, china, color image, day, desert, dunhuang, gansu province, gobi desert, horizontal, jiuquan, landscape, mingsha hill, mingsha shan, nature, no people, outdoors, panoramic, photography, remote, sand, sand dune, scenics, shadow, silk road, silk route, singing sand mountain, sunlight, tourism, tranquil scene, travel destinations,