Willis Tower, Chicago, tour guide, holding microphone, smiling, sunglasses, blue shirt, dark pants, sneakers, standing in front of glass window, reflecting cityscape, sunny day, clear sky, few white clouds, modern skyscraper, steel frame, glass façade, urban landscape, busy streets, traffic lights, pedestrians walking, American flag waving, detailed building texture, strong contrast, dramatic lighting, low-angle shot, cinematic composition.