The Germanwings flight 4U9525, an Airbus A320, that was supposed to fly from Barcelona to Düsseldorf, crashed in the French Alps on Tuesday. On Wednesday, the investigation crew has reached the landing site and confirmed that all the people on bord the aircraft are dead. Meanwhile, the search for the cause of the crash and the collection of bodies has begun. Recently, the investigators found a usable audio track on the flight data recorder.