THE NEW FRENCH NATIONAL LIBRARY

The Bibliotheque Nationale de France, was the last of François Mitterand's "grand projects". Construction of the Library began at the end of 1990 and was completed in March 1995, at the cost of 8 billion francs (5.2 billion euros).
Designed by Dominique Perrault and covering 7.5 hectares it is composed of four glass and steel towers of 24 stories, 80 meters, each, modeled to give the impression of open books.

The towers of the Bibliotheque Nationale de France are named. They are the tower of Laws, of Letters, of Numbers and of Time.