Chicago architectural tour, daytime, Willis Tower, reflective glass windows, steel frame structure, modern skyscraper, bustling streets, people walking in various directions, cloudy sky with sunbeams, city hall, grand staircase, marble floors, ornate details, old Gothic buildings, intricate stone carvings, vintage street lamps, horse-drawn carriage, tour guide holding a microphone, enthusiastic tourists taking photos, urban landscape, deep depth of field, high-angle shot, cinematic lighting.