Ключевые слова: america, architecture, attraction, beautiful, bridge, buildings, business, city, cityscape, colorful, destination, downtown, historic, infrastructure, landmark, landscape, metropolis, metropolitan, mountain, nature, north america, northwest, oregon, pacific, pacific northwest, panorama, popular, portland, portland oregon downtown, portland oregon skyline, riverfront, scenery, scenic, scenic backgrounds, scenic view, skyline, skyscrapers, steel bridge, tourism, transportation, travel, urban, usa, vacation, viewpoint, waterfront, weather, willamette, willamette river,