The Boeing PT17 Stearman of the Breitling Wingwalkers on a demonstration flight at 'Le Temps des Helices 2012' annual air show at Cerny-La Ferte Allais airfield, in La Ferte Allais, near Paris, France on May 27, 2012. 'Le Temps des Helices' (Propeller Days) air show is organized by the Amicale Jean-Baptiste Salis named after French aviator Jean-Baptiste Salis who started the show in 1929. Photo by Mario Fourmy/ABACAPRESS.COM # 322018_005