In this June 18 2015 file photo, vapor forms across the wings of an Airbus A380 as it performs a demonstration flight at the Paris Air Show, Le Bourget airport, north of Paris. Airbus sAys it will stop making its costly A380 superjumbo if it can't strike a long-term deal with Emirates airline for a steady supply of the planes. (Photo by Francois Mori/AP Photo)
