'This is not a race' says Solar Impulse co-founder
Monday, June 1, 2015 - 14:00
in Astronomy & Space
At the control centre in Monaco of the sun-powered Solar Impulse 2 plane, Swiss pilot and projet co-founder Bertrand Piccard explains to AFP why his colleague Andre Borschberg had to make an unplanned stop in Japan in the middle of an historic round-the-world voyage.