Chicago Riverboat, Architecture Tour, daytime, sunny weather, clear blue sky, calm water, urban cityscape, skyscrapers, Willis Tower, Tribune Tower, historic buildings, ornate details, Gothic style, Art Deco, Neoclassical, Renaissance Revival, luxurious interior, polished wooden floors, elegant chandeliers, comfortable seating, captain's wheel, navigation system, outdoor deck, Chicago Riverwalk, pedestrian bridge, vibrant street art, blooming flowers, lush greenery, soft natural light, cinematic composition.