Bertrand Piccard takes on the challenge of flying around the world in a hydrogen plane. Construction of the aircraft will take place until 2025, before beginning full-scale tests.

In 2028, "we will have to do these 43,000 kilometers, because it is the Holy Grail, without takeoff assistance," says Bertrand Pic Card. A plane tribute to Saint-Exupéry, the plane will have a 34 meter wingspan and two large side fuselages to accommodate the hydrogen tanks and electric motors.