A jet engine of an Airbus A350 XWB is pictured at the German headquarters of aircraft company Airbus in Hamburg-Finkenwerder, April 7, 2014. European planemaker Airbus unveiled on Monday the first cabin for its new mid-sized twin-engined airliner, the A350 XWB, vowing to avoid a repeat of the delays caused by cabin design changes on its bigger A380 super jumbo. REUTERS/Fabian Bimmer (GERMANY - Tags: TRANSPORT TRAVEL)