Free Documentary - World's Largest Metro Network, Beijing Metro, Part 3 of 5 - 15102021

Beijing is China's political, economic and cultural center, as well as a fast developing megacity. As with many other metropolises in the world, traffic is a huge problem. Compared to other modes of transportation, the subway is efficient and energy-saving and undoubtedly one of the best ways to solve the traffic problem in Beijing. Currently in Beijing a mega metro network is being constructed with unprecedented speed and quality