Keywords
america, aon center, building, chicago, chicago skyline, city, clock, construct, construction, day, glass, high-rise, illinois, modern, photography, sears tower, structure, text, time, two prudential plaza, united states of america, urban, vertical, wall, window, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u16099874