Ключевые слова: ancient, architecture, bastion, bell, bird, blue, building, castle, cathedral, christian, church, citadel, city, cross, cupola, day, defense, easter, embrasure, fence, fortification, fortress, gold, gray, gull, heaven, historic, historical, history, kremlin, krom, limestone, loophole, medieval, nobody, old, orthodox, protection, pskov, russia, seagull, sky, spring, stone, stonewall, stonework, tower, town, trinity, wall,