Ключевые слова: architecture, area, beautiful, bonn, brick, building, castle, castle ruin, cloud, drachenfels, dragon, europe, european, forest, german, germany, grapevine, green, hill, journey, koenigswinter, landmark, landscape, lookout, mount, mountain, natural, nature, naturesanctuary, overlook, panorama, perspective, rack railway, rhein, rhine, river, sky, sunny, tourism, tourist, travel, view, wine,