Chicago cityscape, Lake Michigan shoreline, sunny afternoon, clear blue sky, sailboat tour, wooden dock, modern skyscrapers, Willis Tower, Navy Pier, glassy windows, steel beams, concrete foundation, water reflection, rippling waves, seagulls flying overhead, tourists taking selfies, summer attire, sunglasses, captain's hat, life jackets, rope railings, vessel wake, city lights, panoramic view, 3/4 composition, soft natural lighting.