In what year was the cathedral, that Arnao de Vergara produced several windows for, registered as a World Heritage Site?
Seville Cathedral The Cathedral of Saint Mary of the See (Spanish: "Catedral de Santa María de la Sede" ), better known as Seville Cathedral, is a Roman Catholic cathedral in Seville (Andalusia, Spain). It was registered in 1987 by UNESCO as a World Heritage Site, along with the Alcázar palace complex and the General Archive of the Indies. "See" refers to the episcopal see, i.e., the bishop's ecclesiastical jurisdiction.
Archbishop's Palace, Seville The Archbishop's Palace of Seville (Palacio Arzobispal) is a palace in Seville, Spain. It has served as the residence of bishops and archbishops of the episcopal sees and numerous nobleman and military figures to the present time. It is located in the southern section of Seville, in the Plaza Virgen de los Reyes, angled almost opposite the Giralda. It is situated on the northeastern side of Seville Cathedral in the neighborhood of Santa Cruz. Of Spanish Baroque architectural style, it has had the status of National Monument since 1969.