Ключевые слова: ancient, bastion, belfry, belltower, castle, chapel, church, cist, citadel, column, entombment, facade, fort, fortress, grave, gravestone, heritage, historic, iconostasis, indoor, inside, king, ledger, mausoleum, museum, panorama, paul, pauls, peter, petersburg, petropavlovskaya, russia, russian, saint, saintpetersburg, sepulcher, sightseeing, spb, st, stpetersburg, strength, tomb, tombstone, tombstones, tower, travel, tsar, within,