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
Leeum, Samsung Museum of Art as well as the museum’s master plan. The main entrance into the lobby of Museum 1 is through Koolhaas’s glass structure. As they enter the museum, visitors follow along on a wooden ramp and pass under a pavilion, demarcating the threshold. He used pilotis which not only lighten the structure but also provide a view of the surrounding buildings and site. The skin of the three story outer building is composed of steel and glass. Inside, a mixing chamber was created between the glass wall and Black box and the placement of lighting, piloti and ramps. The Black concrete box