Nighttime, Chicago cityscape, architecture tour, Willis Tower (Sears Tower), reflective glass skyscrapers, ornate historic buildings, vibrant LED lights, street lamps, bustling streets, crowded sidewalks, tourist attractions, City Hall, grand fountain, nighttime illumination, urban landscape, metropolitan atmosphere, panoramic view, wide-angle shot, low-angle composition, deep blues and purples, high contrast lighting, cinematic mood.