Chicago Architecture Tours, daytime, sunny, blue sky, Willis Tower, reflective glass, steel beams, concrete pillars, urban landscape, city streets, pedestrians, buses, taxis, historic buildings, ornate details, grand entrances, Gothic style, Art Deco pattern, intricate carvings, stone walls, modern skyscrapers, panoramic view, wide-angle shot, low-angle composition, natural light, soft shadows, warm colors.