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青藏公路起自青海省西宁市至西藏拉萨市,全长一千九百三十七公里,整条公路均铺设在“世界屋脊”青藏高原上,平均海拔四千米左右,在海拔四千米以上的路段约有九百五十公里。这里气候严寒,昼夜温差大,日照辐射强,风季长,气压低,氧气稀薄,被近代外国探险家称为“人类生活禁区”。就在这自然条件极为恶劣的地区,青藏公路的建设者,终于创造出了奇迹,历经十二个春秋,到一九八五年七月底已胜利完
The Qinghai-Tibet Highway runs from Xining City of Qinghai Province to Lhasa City of Tibet with a total length of 1,937 km. The entire road is laid on the “roof of the world” on the Qinghai-Tibet Plateau with an average altitude of 4,000 meters and at an elevation of 4,000 meters The above section is about 950 kilometers. Here cold climate, large temperature difference between day and night, strong sunshine radiation, long wind season, low pressure, thin oxygen, by modern foreign explorers called “human life restricted area.” In these extremely harsh natural conditions, the builders of the Qinghai-Tibet Highway have finally created a miracle. After twelve years of spring and autumn, by the end of July 1985, they have won