The Midi shows in Narbonne Cathedral in the simplified triforium which is framed by wall spaces, as are the clearstory windows, in the extremely high pier arcades, and in the stout buttresses that are disguised as dividing walls between the side chapels. The capitals are mere uncarved bands, and over them certain molds die away in the pier. M. Anthyme Saint-Paul's theory was that even in the XIII century began the evolution which was to end in Flamboyant Gothic. He pointed out, in Narbonne's chapels, windows with Rayonnant tracery side by side with flamelike undulations. M. Enlart thinks we cannot be sure that they were done at the same time. An unusual and graceful aspect was achieved in the choir's northern aisle by the setting of piers beyond the dividing walls of the chapels, making a kind of double aisle like that in the transept of St. Nazaire at Carcassonne. An architect named Henri is cited as master-of-works at Gerona Cathedral whose chevet, begun after 1312, resembles that of St. Just. Henri was a name uncommon in the Midi. It is thought that he was the original architect of Narbonne. His successor at Gerona, Jacques de Favari or Favers, a name of the central plateau of France, is known to have directed the works of Narbonne's chief church. Catalonia, Aragon, and Languedoc were allied in architecture as in tongue. Poblet in Catalonia is directly the daughter of the abbey at Fontfroide, six miles from Narbonne.[240] The Gothic influence of Narbonne spread to the isles in the Mediterranean, to southern Italy and Cyprus. Archbishop Maurin began Narbonne Cathedral after the tragic crusade of St. Louis in 1270. He had vowed that if ever again he saw the fair land of France he would offer thanksgiving by rebuilding his church. The corner stone and relics were sent by Pope Clement IV, originally a lawyer at St. Gilles, and then archbishop of Narbonne, whose crumbling cathedral of Charlemagne's time he had purposed to replace by a Gothic one, when his translation to the papacy intervened. The apse chapels were built first. The main parts of the choir are the work of Archbishop Gilles Aycelin de Montaigu, (1292-1311), a noble of Auvergne, brother of the bishop who was building Clermont Cathedral and who had himself been a canon at Clermont. He also began the cloister, and to his own residence added a donjon tower. It is thought that the episcopal palace at Narbonne served as prototype for the palace of the popes at Avignon. In modern times, between its ancient towers a town hall has been constructed. In 1311 Gilles Aycelin was transferred to the see of Rouen, and Rouen's archbishop, Bernard de Farges (d. 1341), a nephew of the pope who built the choir of Bordeaux Cathedral, took his place at Narbonne, where he completed the giant choir. Services were held in it in 1320.