sentences:  The altar of Saint Secundus was completed by Isidro Villoldo, while the altar of Saint Catherine was completed by Lucas Giraldo and Juan Rodríguez.The enormous altarpiece of the main altar was begun by Pedro Berruguete in the transition from the 15th to the 16th century.He carried out eight predellas portraying in detail and naturalism images of Evangelists and Doctors of the Church, as well as two boards portraying the "Prayer in the Garden" and the "Flagellation".