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 during the Second Empire The Second Empire also saw the completion or restoration of several architecture treasures: the wings of the Louvre Museum were finally completed, the famed stained glass windows and structure of the Sainte-Chapelle were restored by Eugène Viollet-le-Duc; and the Cathedral of Notre Dame underwent extensive restoration. In the case of the Louvre in particular, the restorations were sometimes more imaginative than precisely historical. Comfort was the first priority of Second Empire furniture. Chairs were elaborately upholstered with fringes, tassels, and expensive fabrics. Tapestry work on furniture was very much in style. The structure of chairs and sofas was usually entirely