History of Paris new Ministry of Finance in Bercy (the old Ministry had been housed in a wing of the Louvre), also opened in 1989. The Grande Arche in La Défense was also finished in 1989, a massive hollow cube-shaped building 112 metres high that completed the long perspective from the Arc de Triomphe du Carrousel through the Place de la Concorde and the Champs Élysées. The most famous project of all, the "Grand Louvre", included the expulsion of the Ministry of Finance, the reconstruction of large parts of the museum, an underground gallery, and the addition of a glass pyramid by I.M.
Paris in the Middle Ages not have an efficient system of covered sewers until Napoleon built them at the beginning of the 19th century. Street lighting was almost nonexistent in the Middle Ages. In 1318, it was recorded that there were just three street lanterns in Paris: one candle in a lantern outside the entrance to the Châtelet fortress; a candle outside the Tour de Nesle to indicate its entrance to boatmen; and a third lantern outside the Cemetery of the Innocents to remind passers-by to pray for the souls of the deceased. Very little light came from houses, since glass windows were extremely rare;