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,
Louvre castle Louvre castle The Louvre Castle was a castle built by King Philip II of France to reinforce the walls he had built around Paris and further protect the city. It was later demolished in stages to make way for the Louvre Palace. Its main location was on the right bank of the Seine river. Before his departure for the Third Crusade in 1190, King Philip II wanted to protect Paris, the capital of his Kingdom, against invasions. In particular, he wanted to defend Paris against English soldiers based in Normandy. Additionally and more specifically, King Phillip II wanted to build