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.
Cathedral of Petrópolis The Cathedral of Saint Peter of Alcantara (Portuguese: "Catedral de São Pedro de Alcântara" ), also known as the Cathedral of Petrópolis, is a Roman Catholic cathedral in Petrópolis, Brazil. The cathedral is dedicated to Saint Peter of Alcantara, the patron saint of Brazil. Is also home of the Imperial Mausoleum of the Brazilian Imperial Family.