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.
Royal Palace of Caserta The Royal Palace of Caserta (Italian: "Reggia di Caserta" ] ; Neapolitan: "Reggia 'e Caserta" ) is a former royal residence in Caserta, southern Italy, constructed for the Bourbon kings of Naples. It is one of the largest palaces erected in Europe during the 18th century. In 1997, the palace was designated a UNESCO World Heritage Site; its nomination described it as "the swan song of the spectacular art of the Baroque, from which it adopted all the features needed to create the illusions of multidirectional space". In terms of volume, the Royal Palace of Caserta is the largest royal residence in the world with over 2 million m³ and covering an area of about 235,000 m².