Ключевые слова: architecture, attraction, barcelona, barcelona city, capital, catalan, catalonia, catalunya, citadel, citadel park, city, ciutadella, day, destination, environment, europe, european, famous, garden, green, historic, history, landmark, landscape, nature, outdoor, outdoors, palm, parc, parc de la ciutadella, park, park of the citadel, people, recreation, relaxation, scenery, scenic, season, sky, spain, spanish, summer, sunny, tourism, tourists, town, travel, tree, trees, urban,