A sandstorm as high as 100 meters (328 feet) hit Dunhuang City in northwestern China on July 25.
Local police imposed traffic controls on the city’s expressway as visibility reduced to less than five meters.
Sandstorm engulfs Chinese city
A heavy sandstorm wreaked havoc on Sunday in northwest China's Dunhuang, where the ancient Mogao Caves are located. The sandstorm..
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