Denver architecture, historic landmark, Civic Center, golden-domed Capitol Building, intricate stonework, ornate columns, grand staircase, vibrant blue sky, few puffy white clouds, afternoon sun casting long shadows, people walking, taking photos, guided tour, audio guide, professional photographer capturing details, low-angle shot, wide-angle lens, vivid colors, high contrast, sharp textures, urban landscape, cityscape, Colorado state flag waving gently.