Ключевые слова: ancient, archaeology, bay, beach, black, blue, bulgaria, bulgarian, cape, cliff, cliffs, coast, coastal, coastline, culture, eastern, europe, green, high, hill, history, idyllic, kaliakra, landmark, landscape, magical, mountain, mountains, nature, ocean, old, outdoor, ridge, rock, rocky, sand, sea, sky, stone, summer, sunny, thracian, tourism, tranquil, travel, view, water,