The arch of the left door depicts scenes from the Old Testament, with the righteous await the arrival of the Savior. In the center of the first archivolt is God the Creator who blesses the pilgrim and holding the Book of Eternal Truth, to his right is Adam (naked), Abraham (with the index raised) and Jacob. With them are two figures that could be Noah (new father of humanity to save the Flood) and Esau or Isaac and Judah. To the left of God it see Eve, Moses, Aaron, King David and Solomon. In the second archivolt, the top, ten small figures representing the twelve tribes of Israel