Chicago Riverwalk, nighttime, architectural boat tour, luxurious cruise ship, sleek, modern design, glass ceiling, LED lights, reflections on the water, cityscape, skyscrapers, Willis Tower, Navy Pier, bridges, ornate ironwork, romantic atmosphere, couple holding hands, champagne glasses, soft music, starry sky, misty river, warm glow of streetlights, cinematic composition, low-angle shot, symmetrical framing.