Grand African American Museum, Washington D.C., modern architecture, symmetrical building design, large glass atrium, intricate metalwork, geometric patterns, vibrant colorful murals, natural stone exterior, wide staircases, high ceilings, exhibit halls, interactive displays, warm ambient lighting, afternoon sunlight streaming through windows, subtle shadows on walls, monumental entrance, American flags waving gently, National Mall scenery, distant Washington Monument view, 3/4 composition, low-angle shot, cinematic atmosphere.