The Cnit is the biggest self-supporting vaulted ceiling in the world, a concrete dome with glass facades, built between 1956 and 1958 and designed by Robert Edouard Camelot, Jean de Mailly, Bernard Zehrfuss accompanied by the engineer Jean Prouvé for the exterior.


In the fiftieth anniversary of its construction,Unibail-Rodamco officialy opened the newly designed building, which completed a three year refurbishing of the site.

Nino Comba designed the special lighting for the opening night, and the exhibition which retraces the 50 year long history of the dome.

Concrete scenography

Cnit, La Defense
November 2011