 It is said that the first mass after the King’s victory of Toledo was held here.It has a square shape which measures 8m by 8,m or about 26 feet by 26 feet long and has a semicircle part attached to it which is the head of the cross shape.It was added to the back of the building in the 12th century even though the building is square since it was converted in to a church, they tried to make it seem more Christian like adding features from Christian churches that were typically cross shaped.