Escher in the Palace one's eyes will be tricked by multiple interactive displays. In the rooms of the museum are fifteen chandeliers made by the Rotterdam artist, Hans van Bentem. The artist designed these especially for the museum, with some references to the work of Escher and the Palace. In the ballroom, a star chandelier is endlessly reflected in the two mirrors. In other rooms there are chandeliers such as a shark, a skull, spiders, and a sea horse. The parquet floor in the Palace was designed in 1991/92 by the American minimal artist Donald Judd on the occasion of the opening of the
Buckingham Palace entertained at garden parties, receptions, audiences, and banquets. Three garden parties are held in the summer, usually in July. The forecourt of Buckingham Palace is used for Changing of the Guard, a major ceremony and tourist attraction (daily from April to July; every other day in other months). The palace, like Windsor Castle, is owned by the reigning monarch in right of the Crown. It is not the monarch's personal property, unlike Sandringham House and Balmoral Castle. Many of the contents from Buckingham Palace, Windsor Castle, Kensington Palace, and St James's Palace are part of the Royal Collection, held in