Chicago cityscape, 90-minute boat tour, Lake Michigan waterfront, evening time, golden hour light, Willis Tower, John Hancock Center, Navy Pier, modern skyscrapers, historic buildings, sailboats, yachts, seagulls flying overhead, gentle waves, warm sunlight reflecting off the lake surface, distant city sounds, soft misty atmosphere, panoramic view, low-angle shot, realistic textures, detailed reflections on water.