Attendees pass a cutaway graphic of an Airbus Group A320 neo aircraft, operated by Deutsche Lufthansa AG at the Aircraft Interiors Expo in Hamburg, Germany, on Tuesday, April 4, 2017. Aircraft interiors have long been a battleground for luring passengers with plusher cabins, bigger seats and fancier food and the fight for a new generation of travelers is intensifying as a dearth of upcoming new jetliner models forces airlines to get creative. Photographer: Krisztian Bocsi/Bloomberg via Getty Images