chicago bridgehouses at flank drawbridge at wells and wacker on the chicago river

bannister bars bridge bridgehouse buildings busy caution city cityscape classic commute concrete door downtown el exterior fence gloomy historic iron landmark lock looking up loop metal outdoors outside overhead padlock rail railing river riverwalk security sign spring stairs stairway stairwell steel stone street structure tape transportation upstairs urban wells window windows life preserver wall wacker fog foggy water vines