Skyscrapers in city with lake in background viewed from Sears Tower, Amoco Building, Lake Michigan, Chicago, Illinois, USA

Skyscrapers in city with lake in background viewed from Sears Tower, John Hancock Center, Lake Michigan, Chicago, Illinois, USA

Buildings along river lit up at night, Marina Towers, Wacker Driver, Chicago River, Chicago, Illinois, USA

Railroad tracks with city skyline at night, Roosevelt Boulevard, Chicago, Illinois, USA

Skyscraper and road in city viewed from John Hancock Center, Wrigley Building, Michigan Avenue, Chicago, Illinois, USA

Skyscrapers lit up at night, Space Needle, Washington State, Usa

Skyscrapers in city lit up at night, Sears Tower, Chicago, Illinois, USA