Ключевые слова: ancient, architecture, asen, asen fortress, asenovgrad, assen, assen fortress, assenovgrad, autumn, balkan, balkan peninsula, brick, building, bulgaria, bulgarian, castle, church, church of the holy mother of god, cultural, destination, europe, fortification, fortress, historical, history, landmark, landscape, medieval, mountain, orthodox, outdoor, panorama, plovdiv, plovdiv region, rhodope, rhodopes mountain, rhoopes, rodopi, ruins, scene, season, stone, sunny, tourism, town, travel, urban, vacation, wall, watchtower,