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一九七九年三月,新华社播发了一篇《风沙紧逼北京城》的报道,这个消息引起全国人民的极大关注。据专家分析,威胁北京的风沙大都是从首都的“北大门”张家口这个“风沙口”涌进来的。因此,很多人士曾呼吁,为了使首都在二十一世纪到来时不致成为“沙都”,除坚持全面造林种草、固本冶沙外,还应尽快在“北大门”筑起一道绿色屏障,挡住这个风沙口子。时隔六载,这个风沙口子挡得如何?植树种草进展得怎样?记者带着这个全
In March 1979, Xinhua News Agency broadcast a report titled “Wind and Sand Pressurized Beijing”, which caused great concern to people throughout the country. According to expert analysis, most of the sandstorms threatening Beijing come in from the “sandstone mouth” of Zhangjiakou, the “northern gate” of the capital. Therefore, many people once urged that in order to prevent the capital from becoming “Shatou” in the 21st century, we should establish a green barrier at the “North Gate” as soon as possible in addition to insisting on comprehensive afforestation, , Blocking the sandstone hole. After a lapse of six years, this stomatoprazdor blocked how the progress of planting trees and grass? Reporter with this all