Louvre Palace areas, and parking areas, as well as an auditorium, a tourist bus depot, and a cafeteria, was constructed underneath the Louvre's central courtyards of the Cour Napoléon and the Cour du Carrousel. The ground-level entrance to this complex was situated in the centre of the Cour Napoléon and is crowned by the prominent steel-and-glass pyramid (1989), the most famous element designed by Pei. In a proposal by Kenneth Carbone, the nomenclature of the wings of the Louvre was simplified in 1987 to reflect the Grand Louvre's organization. Corresponding to the three pavilions through which the public must pass to reach
Paris in the Middle Ages of the French Kings in the Abbey of Saint-Denis. The sculptor Jean de Liège, from Flanders, sculpted images of Charles V and Jeanne de Bourbon for the château of the Louvre, as well as several tombs for members of the royal family at Saint Denis. Stained glass, or "vitrail", the use of small plaques of colored glass joined by lead to depict historic events and figures, was not invented in Paris. It was recorded in texts in other parts of Europe in the late 9th century, but in Paris of the 12th and 13th centuries, it reached new heights of