Louvre of ground- and lower-ground-level interior spaces topped by a golden, undulating roof (fashioned from almost 9,000 steel tubes that form an interior web) that seems to float within the neo-Classical Visconti Courtyard in the middle of the Louvre's south wing. The galleries, which the museum had initially hoped to open by 2009, represent the first major architectural intervention at the Louvre since the addition of I.M. Pei's glass pyramid in 1989. On 5 February 2015, about one hundred archaeologists, protesting against commercial private involvement to protect France's heritage, blocked Louvre's ticket desks to facilitate free access to the museum. At
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