Ключевые слова: abandoned, antique, arch, architecture, attraction, balkans, building, cave, cave church, cave house, christian, christianity, church, culture, daveli, davelis, davelis cave, door, europe, geology, greece, greek, historic, historical, landmark, landscape, medieval, monastery, mountain, nature, no people, ntavelis, old, orthodoxy, penteli, penteliko mountain, plants, religion, religious, rock, rocks, scenic, stone, stones, tourism, travel, underground, wall, windows, worship,