Ключевые слова: above, aerial, aerial photography, aerial survey, air photography, architecture, barn, building, city, cloud, coast, dark, day, deserted, embankment, europe, finland, historical center, house, july, landmark, landscape, many, northern europe, old, porvoo, porvoonjoki, red, river, roof, roofs, scandinavia, sky, streets, summer, sunny, thunderous, top view, town, travel, urban development, view, warehouse, water, wooden,