Modern architecture company building, Chicago cityscape, Willis Tower, glass skyscraper, steel frame, reflective windows, urban jungle, busy streets, afternoon sunlight, dramatic clouds, 3/4 composition, low-angle shot, concrete pavement, streetlights, pedestrians walking by, suits and ties, laptops and briefcases, meeting rooms with whiteboards, ergonomic chairs, wooden tables, floor-to-ceiling windows, city view, riverwalk, Lake Michigan shoreline.