 The facade is 220 meters long.The whole complex covers 37,790 m² with about 1,200 rooms, more than 4,700 doors and windows, and 156 stairways.When complete the building consisted of a friary capable of sheltering 330 friars, along with a royal palace and a huge library of 30,000 books, embellished with marble, exotic woods and countless artworks taken from France, Flanders and Italy, which included six monumental pipe organs and the two carillons.