Washington D.C., modern architecture, office building, urban landscape, daytime, clear sky, sunlight reflecting off glass windows, sleek metallic frames, stone walls, busy streets, people walking in suits, briefcases, laptops, coffee cups, rush hour atmosphere, sharp angles, geometric shapes, concrete pavement, streetlights, trees lining the sidewalk, American flag waving on rooftop, 3/4 composition, soft natural lighting.