Public transport and pedestrian priority, for a green transportation system mainly of rail transport and other public transportations;?Integration of various public transportations: HSR, subway, long distance bus, BRT, bus and monorail, for high-efficient integral system; Combination of water and green land, for a systematic pedestrian mall of pleasant environment--separate pedestrians and traffic and divide dynamic and serene areas, to ensure the quality of the open space in the core area; eliminate the impact of east-west city road traffic by means of underground city and footbridge, to build a continuous south-north pedestrian system.?Convenient transfer system: combine transfer, parking and synthetic use of underground space.