Tourism in Paris due to a change of reign after every century. On March 3, 1989, I.M. Pei inaugurated the Glass Pyramid. This also serves as an official entrance to the main exhibition hall, which in turn leads to the temporary exhibition halls. The Musée is divided into 3 separate wings: Sully, Richelieu and Denon, which showcase 35,000 pieces of art, dating back to the Middle Ages. Some of the most renown pieces of art showcased at The Louvre are the Leonardo da Vinci's "Mona Lisa", Venus of Milo, Winged Victory of Samothrace, "Liberty Leading the People", and the "Dying Slave" by Michelangelo.
Paris in the 17th century finally banned. Some water also came from outside the city, from springs and reservoirs in Belleville, the Pré Saint-Gervais and La Vilette, carried in aqueducts built by the monks to the monasteries on the right bank. These also provided water to the palaces of the Louvre and the Tuileries, which together consumed about half the water supply of Paris. In 1607, Henry IV decided to build a large pump on the Seine next to the Louvre to increase the water supply for the palaces. The pump was located on the second arch of the Pont Neuf, in a high building