GUAZHOU, July 20, 2016 (Xinhua) -- Vehicles travel amid sandstorm on the Liuyuan-Dunhuang-Golmud Highway in Guazhou County of Jiuquan City, northwest China's Gansu Province, July 20, 2016. A rare sandstorm hit Dunhuang and Guazhou of Jiuquan City in Gansu Province on July 20. Local meteorological bureau has issued a blue alert for strong wind within 24 hours. (Xinhua/Fan Peishen)
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