Chicago Architectural Society boat tour, Lake Michigan, daytime, sunny, clear blue sky, calm waters, sailboats and speedboats in the distance, Willis Tower, John Hancock Center, Navy Pier, Chicago Harbor Lighthouse, modern skyscrapers, historic buildings, ornate bridges, urban landscape, reflection of cityscape on water, gentle waves, people taking photos, tour guide speaking through a microphone, life jackets, comfortable seating, wooden boat deck, shiny metal railings, intricate rope details, soft natural light, panoramic view, wide-angle shot.