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
Paris in the 17th century Paris bridge without houses and with sidewalks. Near the bridge, he built "La Samaritaine" (1602–1608), a large pumping station which provided drinking water, as well as water for the gardens of the Louvre and the Tuileries Gardens. Henry and his builders also decided to add an innovation to the Paris cityscape; three new residential squares, modeled after those in Italian Renaissance cities. On the vacant site of the old royal residence of Henri II, the "Hôtel des Tournelles", he built an elegant new residential square surrounded by brick houses and an arcade. It was built between 1605 and 1612, and