Ключевые слова: america, american scene, americana, arch, architectural, architecture, blue sky, boat, boating, building, city, cityscape, coastline, dawn, day, daylight, daytime, exterior, historic, historical, horizontal, metropolitan, midwest, mississippi river, missouri, morning, panorama, river, scenery, scenic, shape, shoreline, skyline, skyscraper, st louis, structure, sunny, the arch, urban, water, wide,