在雄伟挺拔、险峻奇峭的雪域高原,一条东起青海西宁,穿越茫茫昆仑山,西至西藏拉萨的青藏铁路已全线铺通。青藏铁路地处青藏高原腹地,多数地带在海拔4000米以上,有多年冻土层和大片“生命禁区”,修筑铁路是一项异常艰巨的工程。铁路建设者们满怀豪情,英勇奋战,攻克了多年冻土、 In the majestic, steep and steep snow-covered plateau, an east Qinghai Xining, across the vast Kunlun Mountains, west Tibet Lhasa Qinghai-Tibet Railway has been laid. Qinghai-Tibet Railway is located in the hinterland of the Qinghai-Tibet Plateau, most of the area at an altitude of 4,000 meters above sea level, with permafrost and a large area of ​​“life restricted area”, the construction of the railway is an extremely arduous project. Railway builders full of pride, bravery, overcome the permafrost,