Museum of Science and Industry (Chicago) of Progress event. For years, visitors entered the museum through its original main entrance, but that entrance became no longer large enough to handle an increasing volume of visitors. The newer main entrance is a structure detached from the main museum building, through which visitors descend into an underground area and re-ascend into the main building, similar to the Louvre Pyramid. In 1983, due to increased attendance, the museum started construction of its underground parking lot, located in three underground levels below the front lawn. Construction of the underground parking lot was finished in the 1990s. For over 55 years,
Palais Royal – Musée du Louvre (Paris Métro) given its current name in 1989, soon after the opening of the new entrance to the Louvre Museum. It is named after the nearby Palais Royal and the "Louvre". The entrance on Place Colette was redesigned by Jean-Michel Othoniel, as the (Kiosk of the night-walkers), and completed in October 2000 for the centenary of the Métro. Two cupolas of the (one representing the day, the other the night) are made of colored glass beads that are threaded to structure of aluminum. They make an unexpected and original work in the very traditional environment of the "Place Colette". Attractions accessible from