Louvre Pyramid of . Its square base has sides of and a base surface area of . It consists of 603 rhombus-shaped and 70 triangular glass segments. The pyramid structure was engineered by Nicolet Chartrand Knoll Ltd. of Montreal (Pyramid Structure / Design Consultant) and Rice Francis Ritchie of Paris (Pyramid Structure / Construction Phase). The pyramid and the underground lobby beneath it were created because of a series of problems with the Louvre's original main entrance, which could no longer handle the enormous number of visitors on an everyday basis. Visitors entering through the pyramid descend into the spacious lobby then
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