Ключевые слова: ancient, archaeology, architecture, blue, brick, building, castle, church, citadel, culture, defense, europe, exterior, fort, fortification, fortress, grass, heritage, hill, historic, historical, history, izborsk, izborsk fortress, landmark, landscape, medieval, monument, nature, old, protection, pskov, ruin, rural, russia, russian, sky, stone, summer, tourism, tower, traditional, travel, wall,