Ключевые слова: aerial, alps, ancient, architecture, attraction, beautiful, blue, building, city, cityscape, destination, downtown, europe, exterior, famous, fort, fortification, fortress, heritage, hill, historic, lake, lake lucerne, landmark, landscape, lucerne, luzern, medieval, mountain, museggmauer, old town, outdoor, panoramic, picturesque, roof, scenic, sky, skyline, summer, swiss, switzerland, tourism, tower, town, travel, urban, vacation, view, wall, water,