Chicago-style skyscraper, modern glass and steel building, busy city street, daytime, sunny weather, clear blue sky, Willis Tower in background, bustling streets with pedestrians, suits, ties, briefcases, cars, buses, urban atmosphere, reflective windows, angular lines, geometric shapes, corporate logo on the wall, marble lobby, high ceilings, elegant chandeliers, wooden conference tables, leather chairs, cityscape view from the office window.