aon building
aon center
architecture
buckingham fountain
building exterior
built structure
chicago
city
cityscape
clarence buckingham memorial fountain
color image
corporate architecture
day
downtown district
famous place
fountain
grant park
horizontal
illinois
international landmark
memorial
midwest usa
monument
no people
office building
outdoors
park
skyline
skyscraper
sunlight
tourism
tower
travel destinations
urban scene
usa
water