Square of north and south of Chongqing north station is convenient change passageway is already devoted use, square of north and south going there and back needs one minute only. Convenient change passageway opens wide a gate. Square of north and south already was an organic whole repeatedly. Change indicates a label. Be spat previously the Chongqing north with most chamfer stands, eventually OK and convenient change, square of north and south can rest the day with person dizzy lane eventually.