Ключевые слова: aerial, aerial imagery, aerial photography, ancient, architecture, blue, cathedral, christianity, church, citadel, city, day, fortress, great, great novgorod, historic center, january, kremlin, landmark, landscape, medieval, novgorod, old, orthodox, panorama, religion, russia, saint sophia, sky, snow, sofia, st sofia, sunny, temple, top view, town, urban, veliky novgorod, view, winter,