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 in the 18th century hall within the Tuileries Palace. The Committee of Public Safety, charged with hunting down the enemies of the Revolution, established its headquarters close by in the "Pavillon de Flore" of the Louvre, while the Tribunal, the revolutionary court, set up its courtroom within the old Royal Palace on the "Île-de-la-Cité", inside what is now the "Palais de Justice". The Commune, the government of Paris, also held elections, but these were won by the more moderate members, known as the "Girondins", rather than the more radical faction, the "Montagnards", largely because the election, unlike the Convention vote, was by secret ballot.