Winter Chicago cityscape, boat tour on frozen Lake Michigan, skyscraper, Willis Tower, John Hancock Center, Tribune Tower, Marina City, modern glass buildings, snow-covered rooftops, icicles hanging from balconies, frozen lake shore, sailboats, yachts, docked boats, snowflakes gently falling, cold misty atmosphere, foggy lens effect, 3/4 composition, low-angle shot, dramatic warm lighting, panoramic view, frosty window reflections.