Chicago cityscape, architectural landmarks, summer 2004, morning light, clear blue sky, calm Lake Michigan waters, white sailboats, wooden docks, vintage speedboats, retro-themed boat tour, tourists on board, enthusiastic guide speaking through a microphone, Willis Tower (Sears Tower), John Hancock Center, Navy Pier, Chicago Harbor Lighthouse, sun reflection on glass windows, detailed building textures, warm sunlight casting long shadows, 3/4 composition, shallow depth of field, cinematic lighting.