A view of the “Palais de l’Air” hall at the 1937 Exposition Internationale des Arts et Techniques Appliqués à la Vie Moderne, Paris. This stunning display was designed by Robert and Sonia Delaunay. Huge hangar-like scenario; aircraft engines on pedestals all around and those incredible aluminum rings -a sort nuclear structure- encircling the then promising Potez 63.
By the way, neither the Loire-Nieuport (S.N.A.C.O) 161 at the right nor the Hanriot H.220 at the left went anywhere. Some clairvoyance here.