Houston skyscraper, modern architecture, glass façade, steel frame, urban landscape, bustling streets, daytime, clear blue sky, few puffy white clouds, American flag waving on rooftop, sleek elevator, marble lobby, busy office interior, conference room, wooden desks, leather chairs, cityscape view from 20th floor, distant highway interchange, Houston downtown, Texas, United States, contemporary style, angular lines, reflective windows, stone cladding.