Ключевые слова: aerial, amsterdam, ancient, antique, architecture, autumn, bourtange, building, canal, city, color, defense, down, dutch, entrenchement, europe, european, fall, famous, fort, fortification, fortress, green, groningen, historic, historical, houses, landmark, landscape, medieval, monument, netherlands, old, picturesque, scenic, schans, settlement, star, summer, top, tourism, touristic, town, traditional, tree, view, village, water, westerwolde,