Britain's Prince William, Duke of Cambridge and his wife Kate, the Duchess of Cambridge, view Airbus helicopters on the tarmac of the Airbus compound in Hamburg, northern Germany, on July 21,2017. The British royal couple are on the last stage of their three-day visit to Germany. / AFP PHOTO / POOL / Christian Charisius (Photo credit should read CHRISTIAN CHARISIUS/AFP/Getty Images)
