In what year was the cathedral, that Arnao de Vergara produced several windows for, registered as a World Heritage Site?
Arnao de Vergara Arnao de Vergara was a 16th-century Spanish master glassmaker. Between 1525 and 1536 he produced several windows for Seville Cathedral, many of which survive, before later moving to Granada.
Palace of Laredo The Palace Laredo (Spanish: "Palacete Laredo") is a palace located in Alcalá de Henares, Spain. It was declared "Bien de Interés Cultural" in 1975.