Since its completion , After years of use , The structure of the original building gradually became chaotic . Due to subsequent transformation , The characteristics of this subway line gradually disappeared . Passengers began to complain about the lack of security and comfort on the subway , meanwhile , The dirty subway environment also makes people feel uncomfortable . therefore , Subway operators urgently need a new development strategy , So as to find the way \ advertisement \ Ticket sales and various commercial slogans provide a new space . in addition , The current escape route is too narrow , And lack of proper smoke exhaust system . In short , These platforms no longer have the ability to serve the future life . Designers are based on enhancing social security \ Objectives of comfort and characteristics , Carry out this design . Their goal is to create a modern subway system , The system should have complete functions \ Clear space structure organization and comfortable and pleasant space atmosphere . The architect hopes to achieve this goal based on the existing subway system , Instead of completely denying the current rude architecture \ Even dismantle it forcefully .