Ключевые слова: antoni gaudi, architecture, art, art nouveau, artistic, arts, artwork, attraction, barcelona, blue hour, building, casa mila, catalan, catalonia, chimney, chimneys, construction, contemporary, culture, decoration, design, dusk, europe, evening, gaudi, heritage, historical, house, illumination, la pedrera, lights, modern, modernism, modernist, monument, night, ornamental, roof, rooftop, scenic, sculpture, sky, spain, spanish, structure, tourism, travel, twilight, unesco, ventilation shafts,