Britain's Prince William, Duke of Cambridge (l) and his wife Kate, the Duchess of Cambridge, and Assembly Line Vice President Olaf Lawrenz (C) sit inside Airbus A320 Cockpit during a visit the Airbus training facilities in Hamburg-Finkenwerder om July 21, 2017. The British royal couple are on the last stage of their three-day visit to Germany. / AFP PHOTO / POOL / Daniel Bockwoldt (Photo credit should read DANIEL BOCKWOLDT/AFP/Getty Images)