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Architects: Robert A.M. Stern Architects
- Area: 45500 m²
- Year: 2014
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Photographs:Peter Aaron (OTTO)
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Landscape Architect: Mutabilis, Ronan Gallais

Text description provided by the architects. Tour Carpe Diem is an important step forward in the evolution of La Défense toward pedestrian-friendly urbanism and environmentally responsible architecture. The 45,500 m2 building connects the raised esplanade—the "dalle" that continues the axis of the Champs-Elysées—and the urban fabric of the city of Courbevoie to the north. A pedestrian street leads to the building's winter garden and lobby; a monumental stair descends to a plaza on the Boulevard Circulaire, where a second front welcomes visitors at what was heretofore very much the back of the site. The building's faceted facades reflect this dual orientation and catch the ever changing Parisian light to give the building a strong identity among the towers of La Défense.
