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| A sandstorm hits Yanchi county of Wuzhong city, northwest China's Ningxia Hui autonomous region, on April 17, 2017. Most part of Ningxia witnessed a sandstorm weather on Monday. (Photos / Xinhua) |
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| A sandstorm hits Lingwu city, northwest China's Ningxia Hui autonomous region, on April 17, 2017. (Photos / Xinhua) |
