Ключевые слова: architecture, balkan, balkan peninsula, canyon, christian, christianity, church, cross, culture, dimitrovgrad, erma, erma river, europe, forest, gorge, historical, history, jerma, landmark, landscape, medieval, monastery, monument, mountain, nature, orthodox, outdoor, panorama, pirot, poganovo, poganovo monastery, poganovo monastery of st john the theologian, religion, river, rock formation, rocks, season, serbia, serbian church, spring, tourism, travel, watter,