sentences:  It is supported by central columns, carved in wood by Josep Llimona i Bruguera, representing the prophets Isaiah, Jeremiah, Ezekiel and Daniel.At the head is the main altar, decorated with enamels (1928) of Montserrat Mainar, depicting various biblical scenes, such as "The Last Supper", "The Weddings of Cana" and "The Multiplication of Loaves and Fishes".The 15th century cross on the altar is the work of Lorenzo Ghiberti.