Chicago cityscape, Lake Michigan shoreline, daytime, clear sky, bright sunlight, architectural boat tour, people on board, guide holding microphone, various Chicago landmarks, Willis Tower, John Hancock Center, Navy Pier, modern skyscrapers, historic buildings, ornate bridges, gentle waves, sailboats, kayaks, seagulls flying overhead, blue water, urban landscape, panoramic view, 3/4 composition, soft natural lighting.