Chicago River, Architectural Boat Tour, daytime, sunny weather, clear blue sky, cityscape, skyscrapers, modern buildings, historical landmarks, bridges, sailboats, speedboats, kayaks, seagulls flying overhead, people taking photos, guide holding a microphone, standing at the bow of the boat, pointing out attractions, tourists wearing sunglasses and hats, life jackets, riverbank, walking path, greenery, willow trees, benches, trash cans, lampposts, soft natural lighting, panoramic view, wide-angle lens.