求翻译：敦煌雅丹地貌，土质坚硬，呈浅红色。东西长约15公里，南北宽约2公里，与青色的戈壁滩形成了强烈的对 敦煌雅丹地貌是什么意思？

Dunhuang landform, soil hard, was light red. What about 15 km north-south width of 2 km, and the blue desert formed a strong landform of Dunhuang

Dunhuang jadin landscape, soil quality, a strong red. It runs about 15 km, about 2 km wide from south to north, and the blue color of the Gobi desert to the Dunhuang jadin geomorphological

The Dunhuang elegant Dan landform, the soil texture is hard, assumes the pink.The thing long 15 kilometers, the north and south width approximately 2 kilometers, have formed approximately with green Gobi Desert intensely to the Dunhuang elegant Dan landform

Dunhuang yardang, the soil hard, appears light red. Something about 15 km, about 2 km North-South width of, and cyan Gobi desert, forming a strong on Dunhuang yardang

Dunhuang landform, soil hard, was light red. What about 15 km north-south width of 2 km, and the blue desert formed a strong landform of Dunhuang