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
Louvre Palace distinctly non-French flat roof, it was a ground-breaking departure in French architecture. The severe design was chosen over a design provided by the great Italian architect Bernini, who had journeyed to Paris specifically to work on the Louvre. Perrault had translated the Roman architect Vitruvius into French. Now Perrault's rhythmical paired columns form a shadowed colonnade with a central pedimented triumphal arch entrance raised on a high, rather defensive base, in a restrained classicizing baroque manner that has provided models for grand edifices in Europe and America for centuries. The Metropolitan Museum in New York, for one example, reflects Perrault's