Ключевые слова: arch, architecture, baltic, blue, bridge, cities, cityscape, cold, countries, daugava, dusk, europe, exposure, ice, illuminated, land, latvia, light, long, metal, morning, motion, night, panoramic, railroad, railway, riga, river, rivet, scene, sky, snow, steel, sunrise, sunset, tourism, track, traffic, transportation, travel, urban, water, winter,