above
america
american
architecture
buildings
central business district
city
cityscape
color image
color photography
color picture
dawn
day
downtown
dusk
golden triangle
hi rise
high angle view
highrise
image
landmark
monongahela river
multistorey building
no people
north america
north american
office buildings
overview
panoramic
pennsylvania
photograph
picture
pittsburgh
river
skyline
skyscrapers
stock photograph
stock picture
sunlight
sunrise
sunset
tourist attraction
travel destination
united states
urban
usa
view
water
waterfront