Orbit drone shot of Belogradchik Rocks, a group of strangely shaped sandstone and rock formations located in slopes of Balkan Mountains in Vidin province, Northwest Bulgaria

belogradchik vidin province bulgaria balkan mountains belogradchik rocks tourism medieval fortress baba vida kaleto fortified walls castle architecture europe rocks tourists scenic picturesque tourist spots travel aerial drone shots panoramic historical culture world heritage unesco rock formations natural nature educational geologic structures morphological ecotourism attractions destinations adventures boulders flag grass protective railings trees forest village fortress sandstones landmark hieracium belogradcense magura cave geopark