Ключевые слова: america, arizona, background, barricade, barrier, caution, classic, clouds, cross, danger, day, editorial, grand canyon, historic, history, industrial, journey, outdoors, pole, post, rail, railroad, railroad crossing, railway, road, safety, sign, signal, sky, snow, station, steel, stop, symbol, text, track, traffic, train, transport, transportation, travel, trip, us, usa, vintage, warning, white, williams,