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| Tour CB21 | |
|---|---|
 Tour CB21 | |
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| General information | |
| Type | Office |
| Location | La Défense (Courbevoie) |
| Coordinates | 48°53′20.00″N 2°14′59.30″E / 48.8888889°N 2.2498056°E |
| Construction started | 1972 |
| Completed | 1974 |
| Height | |
| Antenna spire | 187 m (614 ft) |
| Roof | 179 m (587 ft) |
| Technical details | |
| Floor count | 44 |
| Floor area | 70,500 m2 (759,000 sq ft) |
| Design and construction | |
| Architect(s) | Harrison & Abramovitz, J. P. Bisseuil |
| Website | |
| www | |
Tour CB21, formerly Tour Gan, is an office skyscraper located in La Défense, the high-rise business district situated west of Paris, France. It was designed by celebrated American architect Max Abramovitz.
Built from 1972 to 1974, the tower is 179 m (587 ft) tall at roof height. However, it reaches 187 m (614 ft) once including the antenna located on the roof. It was the second tallest building in Paris upon its completion. Its ground shape is in the form of a Greek cross.
In 1972, during construction, a protest campaign opposed the building of Tour Gan. Protesters demanded a reduction in height. However, the tower was completed at the planned height.
Today, the main tenants are Suez Environnement and AIG France.
The structure is owned by Fonciere des Regions.[1]