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Innovative tool and technology contribute to sand control in NW China

0 Comment(s)Print E-mail Xinhua, June 17, 2024

An aerial drone photo taken on Sept. 7, 2020 shows workers paving straw checkerboards near a section of an express way in the Tengger Desert, northwest China's Ningxia Hui Autonomous Region. (Xinhua/Feng Kaihua)

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