Chicago cityscape, architectural boat tour, daytime, sunny weather, clear blue sky, Lake Michigan waterfront, Willis Tower, Navy Pier, modern skyscrapers, glass and steel buildings, sailboats, yachts, seagulls flying overhead, people taking photos on the boat deck, wooden bench seating, life jackets, captain at the helm, rope railings, portholes, nautical flags waving, soft natural lighting, slight wave movements on the lake surface, 3/4 composition, panoramic view.