Glass Pyramid at the Louvre Museum, Paris

The Louvre Pyramid  is a large glass and metal pyramid, surrounded by three smaller pyramids, in the main courtyard  of the Louvre Palace (Palais du Louvre) in Paris. The large pyramid serves as the main entrance to the Louvre Museum. Completed in 1989, it has become a landmark of the city of Paris. Commissioned by the President of France François Mitterrand in 1984.  Source