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 17th century Royale (now the Place des Vosges) to celebrate its completion. An even grander "carrousel" was held on June 5–6, 1662 to celebrate the birth of the "Dauphin", the son of Louis XIV. It was held on the square separating the Louvre from the Tuileries Palace, which afterwards became known as the Place du Carrousel. The ceremonial entry of the King into Paris also became an occasion for festivities. The return of Louis XIV and Queen Marie-Thérèse to Paris after his coronation in 1660 was celebrated by a grand event on a fairground at the gates of the city, where large