Ключевые слова: ancient, arch, art, blue, byzantine, ceiling, church, city, crypt, cupola, decor, decorated, decoration, detail, dome, emiliaromagna, galla placidia, hall, indoor, inside, interior, italian, italy, landmark, mausoleum, medieval, memorial, monument, mosaic, niche, ornament, painted, painting, placidia, ravenna, religious, roman, room, sightseeing, temple, tomb, tour, town, travel, vault, view, visit, wall,