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 the Holy Saviour, Luanda The Cathedral of the Holy Saviour (Sé Catedral de Luanda) is a Roman Catholic cathedral in Luanda, Angola. It was built in 1628 and is the seat of the Roman Catholic Archbishop of Luanda. In 1716 the headquarters of the Diocese of Angola and Congo was transferred from San Salvador of Congo to Luanda, which eventually led the church of Los Remedios to become cathedral. In 1877 it was in ruins, and restored between 1880 and 1900. At that time acquired the present appearance, as three doors and curved pediment on the façade.