Ключевые слова: architecture, austria, boat, calm, capital city, church, city, clouds, cloudy, conservation, countryside, danube, flora, green, hike, horizontal, landmark, landscape, nature, nature reserve, panorama, park, people, promenade, recreation, recreation area, reflection, river, shore, skyline, spring, springtime, summer, summer getaway, tour tourism, tower, tree, vacation, walk, walking, water, wien,