Ключевые слова: abstract, age, ancient, animal, archeology, art, artwork, authentic, background, belogradchik, bronze, bulgaria, bulgarian, cave, caving, civilization, culture, design, drawing, earth, ethnic, europe, geology, historic, history, magura, man, natural, nature, neolithic, old, ornament, painting, paintings, people, postpaleolithic, prehistoric, primitive, religious, ritual, rock, speleology, stone, symbol, tourism, traditional, travel, tribal, underground, wall,