Museum of Science and Industry (Chicago) of Progress event. For years, visitors entered the museum through its original main entrance, but that entrance became no longer large enough to handle an increasing volume of visitors. The newer main entrance is a structure detached from the main museum building, through which visitors descend into an underground area and re-ascend into the main building, similar to the Louvre Pyramid. In 1983, due to increased attendance, the museum started construction of its underground parking lot, located in three underground levels below the front lawn. Construction of the underground parking lot was finished in the 1990s. For over 55 years,
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