Start year: 1091 Frunchel started this work inspired by Saint Denis Abbey. It has gothic structures. With this work french gothic entered in Spain. North facade: Gothic estyle onthe left and renaissance on the right (Portada de los Apóstoles) West facade: two towers making up a cover porch Inside: Latin cross with three naves Retable made by Pedro Berruguete San Segundo´s altar: renaissance style. Santa Catalina´s altar: Made on alabaster Choir: renaissance style. It has relieves which show saints scenes Gothic cloistec.