Riverboat, Chicago Riverwalk, daytime, sunny, clear blue sky, white puffy clouds, reflective water surface, urban landscape, modern skyscrapers, Willis Tower, Navy Pier, historic bridge, ornate metal details, wooden decking, captain's wheel, lifebuoys, nautical ropes, Chicago cityscape, architecture tour, tourists, cameras, enthusiastic guide, sunny hat, sunglasses, casual clothing, walking, pointing, explanations, interesting facial expressions, warm natural lighting, panoramic view, 3/4 composition.