Ключевые слова: aerial, aerial view, ancient, architecture, autumn, balkan, building, bulgaria, bulgarian, capital, castle, church, city, cityscape, cultural, drone, fortification, fortress, hill, history, landmark, medieval, mountain, museum, outdoor, panorama, ruins, second bulgarian empire, sight, sightseeing, stara planina, stone, stronghold, sunny, tarnovo, tourism, town, travel, tsarevets, urban, vacation, veliko tarnovo, view, wall, watchtower,