Ключевые слова: aerial, alps, architecture, attraction, bird, brown, building, cathedral, church, city, cityscape, destination, downtown, europe, eye, famous, historic, historical, hofburg, hofkirche, lake, landmark, landscape, lucerne, luzern, mountain, nature, old, outdoor, pilatus, roof, scenic, sky, spring, summer, swiss, switzerland, tile, top, tourism, tower, town, travel, twin, urban, view,