植树活动早就了绿色的尼日尔荒漠草原是非洲的一个地区，它北接撒哈拉沙漠，南边却是更加肥沃的土地。
The sehell Sahel is the area of Africa that lines lies between the sehelre Sahara desert to the north and more fortal fertile land to the south.
沙坡头地段位于腾格里沙漠东南缘，包兰铁路沿线，属草原化荒漠带。
Shapotou area, where the Baotou-Lanzhou Railway pass through is situated at the southeast edge of Tengger desert, belonging to steppe desert zone.
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