Air Vehicle, Airplane, Airport, Airport Runway, Duesseldorf International Airport
'Duesseldorf, Germany - May 27, 2009: A runway tractor is pushing a British Airways aircraft into position at Duesseldorf Airport, Germany. A ground crew member is walking next to the tractor, the pilots undertaking last checks. Aircraft cannot drive in reverse, which is why runway tractors are used to leave the airport gates. Duesseldorf Airport is one of Germany's mayor airports.'