Drone panning from the left to the right side of the frame in front of a hill where the ancient city of Perperikon is located, Rin the province of Kardzhali, in Bulgaria

perperikon ancient thracian city kardzhali province bulgaria eastern rhodopes sacred place ruins ancient city hills mountains fortress historical megalith perperakion settlement shrine medieval masonry cultural ancient civilization altarpiece temple bulgarian history architecture rock sanctuary residential palace complex ancient buildings tombs rock city rhodope mountain clifftop archaeological complex tourists tourism destination attractions rock structures thracian sanctuary medieval fortress countryside historic sites landmarks archaeological site villages woodlands boulders trees forest