Ключевые слова: active, attraction, berca, bubble, buzau, clay, cones, cracked, desert, destination, dirt, ecology, environment, eruption, europe, extreme, gas, geological, ground, hill, land, landscape, mud, muddy, national, nature, nobody, outdoor, outside, park, phenomenon, reservation, romania, sky, summer, tourism, touristic, toxic, travel, unique, view, volcano,