Chicago boat tour, Lake Michigan waterfront, evening sunset, warm golden light, Willis Tower (Sears Tower), Navy Pier, modern skyscraper, glass reflection, steel frame, sailboats, yachts, seagulls flying overhead, tourists taking photos, smiling faces, casual summer clothing, baseball caps, sunglasses, hands holding binoculars, scenic cityscape, urban landscape, symmetrical composition, low-angle shot, vibrant colors, soft focus, shallow depth of field.