Ключевые слова: ancient, antique, architecture, blue, building, castle, city, cloud, culture, day, defense, empty, exterior, fort, fortress, green, grey, high, hill, historic, historical, history, kazan, kremlin, landmark, landscape, medieval, mountain, nature, old, protection, sky, soft, stairs, stand, step, stone, style, summer, tourism, tourist, tower, travel, wall, white,