Chicago Architecture River Cruise, daytime, sunny weather, calm Lake Michigan water, vibrant cityscape, modern skyscrapers, historic buildings, Willis Tower, Navy Pier, ornate bridges, sailboats, kayaks, seagulls flying overhead, people taking photos, tour guide speaking through a microphone, comfortable seating, life jackets, windbreakers, captain steering the boat, 3/4 composition, panoramic view, soft natural light, warm colors, vibrant reflections on the water.