Chicago skyscraper, modern architecture, daytime, sunny weather, clear blue sky, Willis Tower (Sears Tower), reflective glass windows, metal frames, urban cityscape, busy streets, taxi cabs, pedestrians, streetlights, deep depth of field, high-angle shot, dramatic lighting, cinematic composition, low-key tone, gritty texture, brutalist style, concrete structures, geometric shapes, abstract patterns, urban jungle, vibrant colors.