Chicago, skyscraper, modern architecture, glass building, steel structure, urban landscape, Willis Tower, downtown area, morning fog, sunny day, cloudy sky, cityscape, bustling street, pedestrian, traffic light, car showroom, luxury cars, Mercedes-Benz, BMW, Audi, sleek lines, metallic paint, shiny wheels, dealership interior, minimalist design, LED lighting, wooden floor, glass ceiling, modern furniture, conference room, city view.