7月1日,历经了半个世纪风风雨雨的世界最高铁路——青藏铁路终于实现了全线开通。青藏铁路从西宁至拉萨全长1956公里,是世界上海拔最高、线路最长、穿越冻土里程最长的高原铁路。这条铁路的开通将带动西藏、青海等中国西部省区经济快速的发展,有望形成青藏高原新的经济带。与此 July 1, after half a century of ups and downs in the world’s highest railway - the Qinghai-Tibet Railway has finally achieved full launch. The total length of the Qinghai-Tibet Railway from Xining to Lhasa is 1,956 km. It is the longest plateau railway in the world with the longest altitude and the longest mileage across the permafrost. The opening of this railway will drive the rapid economic development of western provinces and autonomous regions such as Tibet and Qinghai, and is expected to form a new economic belt on the Tibetan Plateau. With this