Ключевые слова: aerial, aerial imagery, aerial photography, aerial view, ancient, architecture, autumn, belfry, bell tower, cathedral, christianity, church, citadel, city, deserted, evening, fortress, height, landmark, landscape, medieval, nicholas, october, old, orthodox, porkhov, pskov region, religion, russia, spire, st nicholas, temple, top view, tower, town, urban, view, view from, wall,