The Airlander 10 hybrid airship is seen in the air over a road on its maiden flight from Cardington Airfield near Bedford, north of London, on August 17, 2016. The Airlander 10 has a large helium-filled fabric hull and is propelled by four turbocharged diesel engines. According to the company it can stay airborne for up to five days at a time if manned, and for over 2 weeks unmanned with a cruising speed of just under 150 km per hour and a payload capacity of up to 10,000 kg. (Photo/Agencies)
