Tour Descartes is an office skyscraper

Skyscraper

A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be classified as a skyscraper...

 located in La Défense

La Défense

La Défense is a major business district of the Paris aire urbaine. With a population of 20,000, it is centered in an orbital motorway straddling the Hauts-de-Seine département municipalities of Nanterre, Courbevoie and Puteaux...

 business district

Central business district

A central business district is the commercial and often geographic heart of a city. In North America this part of a city is commonly referred to as "downtown" or "city center"...

 situated west of Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

, France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

.

Built in 1988, the tower, with a height of 130 meters, belongs to the third generation of towers in La Défense. The tower takes the shape of a parallelepiped

Parallelepiped

In geometry, a parallelepiped is a three-dimensional figure formed by six parallelograms. By analogy, it relates to a parallelogram just as a cube relates to a square. In Euclidean geometry, its definition encompasses all four concepts...

 in which a semi-cylinder would have been extruded on the main façade. Tour Descartes used to host the French headquarters of IBM

IBM

International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

Corporation until 2010.

External links

• Tour Descartes (Emporis)