Beijing always shocks the world with its rapid economic development and the ever-changing face of the city, but traffic congestion has become an increasingly important issue that plagued Beijing today. So a record setting solutions are rapidly being implemented, with 31 lines, 560 stations, 1,000 km long, a three-dimensional network of rail transportation, tha radiates from the ground floor of the city, the world's largest subway transportation network will also serve as a super project.
