Through the reform of the railway system, the four major railway speed increases, the construction of the Qinghai Tibet Railway, and the story of building a harmonious railway, "The Double Line of Life" reflects the main theme of the times, the spiritual style and reform achievements of modern railway workers. The drama portrays and praises two generations of railway workers, represented by Li Shu, from different perspectives
Through the reform of the railway system, the four major railway speed increases, the construction of the Qinghai Tibet Railway, and the story of building a harmonious railway, "The Double Line of Life" reflects the main theme of the times, the spiritual style and reform achievements of modern railway workers. The drama portrays and praises two generations of railway workers, represented by Li Shu, from different perspectives