A tourism promotional activity themed with "Incredible Ningxia, an Oasis in the Hinterland" is held in Chengdu City, capital of Sichuan Province, on April 10. Over 100 travel agencies and tourism businesses from Sichuan Province attended the event. It is reported that 537,000 Sichuan tourists visited Ningxia Hui Autonomous Region in 2016. [Photo/Xinhua]
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