Pittsburgh cityscape, urban landscape, architecture tour, sunny day, blue sky, few white clouds, modern skyscrapers, historic buildings, steel bridges, Allegheny River, Point State Park, triangular roofs, Gothic Revival style, stone facades, intricate carvings, grand entranceways, ornate columns, vibrant street art, pedestrian pathways, walking tour, 3/4 composition, wide-angle lens, natural light, soft shadows.