Ключевые слова: ancient, architecture, area, beautiful, blue, building, castle, citadel, city, construction, day, defense, europe, fortification, fortress, grass, green, history, island, karelia, kexholm, korela, landmark, landscape, leningrad, light, medieval, nature, northern, old, outdoor, park, priozersk, region, river, russia, russian, sky, stone, stronghold, summer, sunlight, sunny, tourism, tower, travel, tree, vuoksa, wall, water,