Many tourists flock to Mingsha Hill scenic spot in the Gobi desert in Dunhuang City, northwest China's Gansu Province in late March. /Chinanews Photo

Consisting of a group of sand dunes, Mingsha Hill, known as "singing sand," is famous for its desert scenery and the mysterious sound made by wind when blowing over its surface. /Chinanews Photo

Yueya Spring, also known as Crescent Moon Spring near Dunhuang in Gansu, is surrounded by Mingsha Hill and has long been a popular tourist destination. /Chinanews Photo