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 Belle Époque way across Paris from Boulogne to Vincennes in 1856. But then it was purchased by the CGO, the main omnibus line, and remained simply a curiosity. Only in 1873 did the tramway begin to gain importance, when the CGO lost its monopoly on city transport and two new companies, Tramways Nord and Tramways Sud, one financed by Belgian banks and the other by British banks, began operating from the center of Paris to the suburbs. The CGO responded by opening two new lines, one from the Louvre to Vincennes, the other following the line of fortifications around the city. By