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'Green wall' helps curb desertification

(chinadaily.com.cn) Updated: 2010-03-31 15:12
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'Green wall' helps curb desertification
Villagers work to build a "green wall" in Gaosha town, Yanchi county, Ningxia Hui autonomous region, March 31, 2010. [Photo/Xinhua] 

 

 

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