Ключевые слова: background, balkans, beauty, building, bulgaria, city, cityscape, cloud, environment, forest, former royal palace, fountain, frost, garden, ice, landmark, landscape, leisure, nature, outdoor, park, park vrana, road, royal palace, scene, scenic, scenics, season, sky, snow, sofia, tourism, travel, tree, tsar, urban, vacation, vrana, weather, wind, winter, woodland,