Carnegie Library of Pittsburgh, historic architecture, neoclassical style, stone facade, intricate carvings, grand entrance, arched windows, reading room, bookshelves, natural light, indoor, visitors reading, peaceful atmosphere, cityscape background, clear sky, midday sun, wide-angle shot, detailed texture, marble columns, wooden tables, green lamps, reflective floor, high ceiling, ornate details, public landmark, urban setting, soft shadows, architectural photography, HDR, 3/4 view.