Ключевые слова: attraction, balkans, beautiful, beauty, breathtaking, bulgaria, calm, calmness, color, colorful, colour, colourful, country, cruise, culture, daylight, destination, ecosystem, environment, erosion, eu, europe, european, land, landscape, mystery, mystic, mystical, natural, nature, outdoor, phenomenon, picturesque, season, stone, stony, sunset, surreal, surrealism, tourism, travel, travelled, vacation, view, world,