Although they arrived in Quito in 1541, in 1580 the Dominicans started to build their temple, using the plans and direction of Francisco Becerra. The work was completed in the first half of the 17th century. Inside the church are valuable structures, such as the neo-Gothic main altar. This was placed in the late 19th century by Italian Dominicans. The roof of the Mudéjar style church features paintings of martyrs of the Order of Saint Dominic. The roof of the nave is composed of a pair and knuckle frame, coated inside by pieces of tracery. In the museum on the north side of the lower cloister are wonderful pieces of great Quito sculptors such as the Saint Dominic de Guzmán by Father Carlos, the Saint John of God by Caspicara, and the Saint Thomas Aquinas by Legarda. Another Baroque piece that stands is the Chapel of Nuestra Señora del Rosario, which is a recognizable feature of the architecture of Quito. This chapel was built beside the church, in the gospel side. In this was founded the largest fraternity in the city of Quito.