Louvre Pyramid of . Its square base has sides of and a base surface area of . It consists of 603 rhombus-shaped and 70 triangular glass segments. The pyramid structure was engineered by Nicolet Chartrand Knoll Ltd. of Montreal (Pyramid Structure / Design Consultant) and Rice Francis Ritchie of Paris (Pyramid Structure / Construction Phase). The pyramid and the underground lobby beneath it were created because of a series of problems with the Louvre's original main entrance, which could no longer handle the enormous number of visitors on an everyday basis. Visitors entering through the pyramid descend into the spacious lobby then
Bronx Museum of the Arts The side of the structure features black and white concrete blocks organized in geometric patterns, similar to the brick facades of rowhouses and commercial buildings in the Bronx. These walls are temporary, designed to be removed in the event of future expansion, which would replace the original museum with a residential high-rise building. At the rear of the structure on the second floor is a sculpture garden. This new expansion has been described as "a white box with raw concrete floors" that, although "institutional," serves its purpose of being accessible to all visitors. In 2016, the museum announced that it