Visitors flock to the Crescent Spring and Singing-Sand Dunes scenic spot in Dunhuang City, Northwest China’s Gansu Province during the Qingming Festival (Tomb Sweeping Day). During the three-day holiday, Dunhuang, a major stop on the ancient Silk Road, received more than 18,700 visitors, an increase of 38.52 percent on the same period last year, and tourism revenue grew by 35.58 percent. (Photo: China News Service/Wang Binyin)
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