Ключевые слова: architecture, art, art nouveau, auditorium, barcelona, box office, building, catalan, catalana, catalonia, catalunya, choral society, city, cityscape, coat of arms, concert, culture, entertainment, europe, exterior, facade, hall, heritage, historic, history, interior, landmark, modernism, monument, mosaic, music, opera, palace, palau, place, relief, renaixena, sightseeing, site, spain, tourism, tourist, travel, unesco, world heritage,