The beautiful, Bibliotheque Ste. Genevie, was designed by Henri Labrouste in 1843 and built from 1845 to 1851. Labrouste is known to this day to have been one of the great architects of his time having this building be one of his crown jewels.The buildings which serves as a library is located in Paris, France. Its use of iron throughout the design is very prominent and it stands two stories tall and about 278 ft wide. Cast iron Ionic columns are used in the structure along with other iron elements which is highly revered by many for its high tech approach in such a monumental building.