Visitors view the exhibits during a preview of the Silk Road (Dunhuang) International Culture Expo in in Dunhuang, northwest China's Gansu Province, Sept. 12, 2016. The expo will be held in Dunhuang from Sept. 20 to Oct. 10. (Photo/Xinhua)
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Visitors view the exhibits during a preview of the Silk Road (Dunhuang) International Culture Expo in in Dunhuang, northwest China's Gansu Province, Sept. 12, 2016. The expo will be held in Dunhuang from Sept. 20 to Oct. 10. (Photo/Xinhua)
