Xinhua Headlines: NASA satellite data verify China's contribution to global greening efforts

Source: Xinhua| 2019-02-13 21:48:26|Editor: yan
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Xinhua Headlines: NASA satellite data verify China's contribution to global greening efforts

Photo taken on July 23, 2013 shows workers making straw checkerboard sand barriers in Lingwu City, northwest China's Ningxia Hui Autonomous Region. (Xinhua/Li Ran)

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