Ключевые слова: abandoned, ancient, archaeology, architecture, catacomb, cave, cavern, chalk, chalky, christian, christianity, church, complex, corridor, craft, creepy, cretaceous, culture, dark, decay, don, geology, heritage, historical, hollow, limestone, mine, mineral, monastery, monk, nobody, orthodox, passage, pray, religion, rock, russia, russian, stone, temple, tomb, traditional, travel, trip, tunnel, underground, voronezh, voronezh region, white,