apartment
architecture
bridge built structure
building exterior
built structure
chicago illinois
chicago loop
chicago river
city
city street
cityscape
downtown district
famous place
horizontal
hotel
illinois
lake
low angle view
metal
midwest usa
modern
no people
office building exterior
outdoors
railroad station platform
railroad track
river
sailing
scenics nature
service
single line
sky
skyscraper
sports training
steel
street
subway platform
sunlight
tourism
train
transportation
travel
urban skyline
usa
water
waterfront
window