内蒙古位于祖国北疆,面积118.3万平方公里,横跨华北、东北、西北与俄罗斯、蒙古接壤,边境线长4200公里。内蒙古处于干旱、半干旱和半湿润气候带上,稀少的降水、脆弱的植被、强劲的风力侵蚀和巨大的温差,构成本区域的自然特点。它既是境外沙尘暴入侵的必经之路,又是境内沙尘暴的 Located in the northern part of the motherland, Inner Mongolia covers an area of ​​1.183 million square kilometers and borders on North China, Northeast China and Northwest China along with Russia and Mongolia, with a total length of 4,200 km. Inner Mongolia is in arid, semi-arid and sub-humid climates, with scarce precipitation, fragile vegetation, strong wind erosion and significant temperature differences, which make up the natural characteristics of the region. It is not only the only way for the invasion of sandstorms outside the country, but also the sandstorms in the territory