Chicago River, waterfront, modern skyscraper, glass and steel structure, reflective surfaces, urban landscape, cityscape, sunny day, clear blue sky, Willis Tower, Navy Pier, riverwalk, boat tour, people walking, jogging, or biking along the path, seagulls flying overhead, ornate bridges, historic buildings, Beaux-Arts style, Chicago School of architecture, 3/4 composition, low-angle shot, wide-angle lens, vibrant colors, high-contrast lighting.