The Palais-Royal, originally called the Palais-Cardinal, is a palace located in the 1st arrondissement of Paris. The screened entrance court faces the Place du Palais-Royal, opposite the Louvre. The larger inner courtyard, the Cour d'Honneur, has since 1986 contained Daniel Buren's site-specific art pieceLes Deux Plateaux, known asLes Colonnes de Buren. In 1830 the Cour...