Walking, architecture tour, Chicago, sunny afternoon, 30yo male tourist, casual wear, sneakers, sunglasses, backpack, map in hand, looking up at skyscrapers, Willis Tower, reflective glass, steel structure, urban landscape, city streets, busy sidewalks, trees along the road, historic buildings, ornate details, close-up of architectural elements, dramatic lighting, low-angle shot, wide-angle lens, vibrant colors, sharp contrast.