Lyon's neoclassical 1831-built opera house was modernised in 1993 by renowned French architect Jean Nouvel, who added the striking semi-cylindrical glass-domed roof. On its northern side, boarders and bladers buzz around the fountains of place Louis Pradel , surveyed by the Homme de la Liberté (Man of Freedom) on roller skates, sculpted from scrap metal by Marseille-born César.