Ключевые слова: ancient, antique, architecture, balkan, balkan peninsula, building, bulgaria, bulgarian, capital, castle, church, city, cultural, destination, europe, fortification, fortress, hill, historical, history, landmark, medieval, museum, outdoor, ruins, scene, second bulgarian empire, sight, sightseeing, stone, stronghold, sunny, tarnovo, tourism, town, travel, tsarevets, urban, vacation, veliko tarnovo, wall, watchtower,