Ключевые слова: 6th street, 7th street, allegheny, andy warhol, architecture, bridge, bridges, buildings, city, city of bridges, cityscape, destinations, district, downtown, exterior, gold, golden, high rise, highway, landmark, landscape, metropolitan, office buildings, ohio river, panorama, pedestrian, pennsylvania, pittsburgh, river, riverfront, roberto clemente, seventh street, skyline, steel, three rivers, tourism, towers, transportation, travel, urban, usa, view, water, waterfront, yellow,