Temple Expiatori Sagrada Familia, which is simply known as Sagrada Familia is one of the most popular tourist sights in Barcelona. A massive Roman Catholic church, Sagrada Familia is being under construction since year 1882, which is expected to be finished by year 2026. The landmark is seen as the masterpiece of the famous Catalan architect Antoni Gaudi. The themes explored in its decorations include words from the liturgy and the towers are decorated with the words Sanctus, Hossana, Excelsis, etc. The sanctuary areas are to be designated to present various saints, sins and virtues, and secular concepts.