Photo taken on Aug. 25, 2011 shows the adjacent Mingsha Mountain Dunes (Singing-Sand Dunes) in Dunhuang City, northwest China's Gansu Province. The famous tourist attraction Mingsha Mountain Dunes, which is six kilometers south of Dunhuang City, has moved towards Yueya Spring for about 8 to 10 meters in the past 15 years due to the geological movement, according to the latest statistics. [China.org.cn]