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
Paris in the 17th century Paris bridge without houses and with sidewalks. Near the bridge, he built "La Samaritaine" (1602–1608), a large pumping station which provided drinking water, as well as water for the gardens of the Louvre and the Tuileries Gardens. Henry and his builders also decided to add an innovation to the Paris cityscape; three new residential squares, modeled after those in Italian Renaissance cities. On the vacant site of the old royal residence of Henri II, the "Hôtel des Tournelles", he built an elegant new residential square surrounded by brick houses and an arcade. It was built between 1605 and 1612, and