The architect Rem Koolhaas created a unique building for this laboratory foundation. Behind the stone of the nineteenth facade, a discreetly futuristic structure, the principle as simple as smart. Almost all floors are mobile, allowing all three floors to be remodeled at will, as needed. In total, 49 possible configurations. “These floors are real flying carpets, but each support

500 kilos per m2,” says François Quintin, who has been leading the project since its birth in 2012. 

Lemonde.fr