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,
Paris during the Second Empire The Second Empire also saw the completion or restoration of several architecture treasures: the wings of the Louvre Museum were finally completed, the famed stained glass windows and structure of the Sainte-Chapelle were restored by Eugène Viollet-le-Duc; and the Cathedral of Notre Dame underwent extensive restoration. In the case of the Louvre in particular, the restorations were sometimes more imaginative than precisely historical. Comfort was the first priority of Second Empire furniture. Chairs were elaborately upholstered with fringes, tassels, and expensive fabrics. Tapestry work on furniture was very much in style. The structure of chairs and sofas was usually entirely