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 Belle Époque pioneer Alberto Santos-Dumont, who made the first aircraft flight in Paris in 1906. The "Santos watch" went on sale in 1911 and was a huge success for the company. The industry of mass tourism and large luxury hotels had arrived in Paris under Napoleon III, driven by new railroads and the huge crowds that had come for the first international expositions. The expositions and the crowds grew even larger during the "Belle Époque"; twenty-three million visitors came to Paris for the 1889 exposition, and the 1900 exposition welcomed forty-eight million visitors. The Grand Hôtel du Louvre, built for the universal