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据《羊城晚报》５月１０日报道，该报一记者与林业专家一起考察了北京周边部分县、市。令人震惊的是，刚出延庆县的北京界，记者便在怀来县官厅水库南岸看到了一片不小的“沙漠”，近百平方公里范围内，均是细沙质土地，一座座几十米高的沙山蜿蜓在军都山——官厅水库间，稍一
According to the “Yangcheng Evening News” reported on May 10, a newspaper reporter and forestry experts inspected part of the counties and cities around Beijing. What is shocking is that just after being out of the Beijing community in Yanqing County, reporters saw a piece of “desert” on the south bank of the Guanting Reservoir in Huailai County. Within a hundred square kilometers, they were all fine sandy land. Ten meters tall sand hill meandering in the military capital - Guanting reservoir, slightly