摘要
Over decades,he faithfully adhered to the"life forbidden zone,"where he always fought on the front line of maintaining the Qinghai-Xizang Railway at an area with an average altitude of 4,700 meters and above.It is at this place where he led his team to face the hardest"obstacles"and overcome all sorts of problems and difficulties,thanks to the harsh freezing temperature environment.It is the place where he and his team have worked together to achieve a miraculous maintenance of the frozen-soil-featured railway line on top of the world.He is Gao Qiansheng.