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
Art in Paris Central des Arts in the Grande Galerie was opened to the public. Under Napoleon III, Louvre was further enlarged, and as completed, it has two main quadrilaterals and within two large courtyards. It is considered to possess one of the richest art collections in the world. Its collection is now mainly European art up to the Revolutions of 1848 as paintings of later date have been moved to the Orsay Museum that opened in 1986. Some of the master pieces held by the museum are of the Italian Renaissance painters, and Flemish and Dutch painters of the Baroque period. Some