Skyscraper in city viewed from John Hancock Center, Aon Building, Chicago, Illinois, USA

Clock tower in city lit up at night, Wrigley Tower, Aon Building, Chicago, Illinois, USA

Theater building in city, Oriental Theater, State Randolph Street, Chicago, Illinois, USA

Traffic on road in city, Aon Building, Congress Plaza, Chicago, Illinois, USA

Buildings in city, Michigan Lake, Chicago, Illinois, USA

Street scene in city, Michigan Avenue, Chicago, Illinois, USA

Swimming pool in front of skyscraper, Chicago, Illinois, USA

Skyscrapers in city, Sears Tower, Michigan Avenue, Chicago, Illinois, USA

Spectators watching baseball game in stadium with city skyline in background, Wrigley Field, Chicago, Illinois, USA

Entrance of bank building, American National Bank, Chicago, Illinois, USA

Skyscraper in city lit up at night, R. R. Donnelley Center, Wacker Drive, Chicago, Illinois, USA

Moving bus in city, Water Tower Place, Chicago, Illinois, USA

City skyline lit up at night, Chicago, Illinois, USA

Man playing guitar at coast, Chicago, Illinois, USA

Facade of the Flatiron Building, New York City, USA

Chrysler Building with traffic light in the foreground, New York City, USA

Building facades in San Francisco, USA

The Manhattan Bridge with the Empire State Building in the background, New York City, USA

Skyscrapers lit up at riverbank, Empire State Building, Hudson River, New York City, New York State, USA

Low angle view of building at waterfront, Manhattan, New York City, New York State, USA

Viewing platform of the Rockefeller Center with Empire State Building in the background, New York City, USA

Street sign of the Third Avenue in front of the Chrysler Building, New York City, USA, worm's-eye view

Traffic on road in city at night, California, USA

Pillar of the Manhattan Bridge, New York City, USA

Skyscraper in city, Wrigley Building, Chicago, Illinois, USA