Chicago River, architectural tour, daytime, sunny weather, clear blue sky, modern skyscrapers, reflective glass windows, steel bridges, urban landscape, riverwalk, pedestrians walking, bicycles riding, sailboats cruising, city hall, historic buildings, ornate details, Gothic style, Renaissance style, Art Deco style, neoclassical style, panoramic view, low-angle shot, wide-angle lens, vibrant colors, high-contrast lighting.