France's President Nicolas Sarkozy (L) flanked by French environment Minister Jean Louis Borloo, listens to French architect Jean Nouvel (R) during the unveiling of the future Paris Metropolis at the Architecture Museum in Paris on April 29, 2009. The "Greater Paris" project has been billed as one of the biggest redevelopments of the French capital since the 19th century planning chief Baron Haussmann reshaped the labyrinthine medieval centre into today's city of broad boulevards. REUTERS/Francois Mori/Pool (FRANCE POLITICS)