S. T. A. L. K. E. R.: Through the Dungeon

An incomparably unreliable modern young man traveled to the middle of the 20th century in a Shanghai subway station that was as dense as a spider web. In desperation, he followed Liu Keke, Wang Dadan and others to explore and research, mastering the tunnel construction technology in water-bearing soft soil, and finally built the world's largest urban subway network.