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 machete attack Louvre machete attack On 3 February 2017, an Egyptian national in France on a tourist visa was shot as he rushed a group of French soldiers guarding a principal entrance to the Louvre Museum in Paris, France, attacking and injuring one soldier with a machete. The soldiers were patrolling the museum as part of Opération Sentinelle, guarding the Carrousel du Louvre, in which an underground shopping mall also serves as a gift shop, ticket sales office, and public entrance to the Museum. The attacker, identified as Abdullah al-Hamahmy, was confirmed by French authorities to have shouted "Allahu Akbar" during the