Architectural boat tour, Chicago River, daytime, sunny weather, clear blue sky, reflection of city skyscrapers, Willis Tower, modern glass buildings, ornate bridges, vintage lamp posts, elegant wooden benches, lively tourists, smiling captain, steering wheel, life jackets, safety ropes, shiny metal railings, Chicago cityscape, riverbank greenery, blooming flowers, seagulls flying overhead, warm sunlight, soft shadows, 3/4 composition, panoramic view.