Ключевые слова: alpine, alps, architecture, building, buildings, city, colorful, destination, downtown, europe, european, exterior, facade, flower, helvetia, hergiswil, historic, history, kulm, lake, landmark, landscape, lucerne, luzern, market, medieval, mount, mountain, nature, peak, pilatus, river, riverfront, schweiz, square, street, swiss, switzerland, tourism, tourist, tower, town, travel, turquoise, urban, vacation, water, waterfront,