In this handout image supplied by SI2, Picture shows Solar Impulse 2, the solar airplane of Swiss pioneers Bertrand Piccard and André Borschberg, in...
In this handout image supplied by SI2, Picture shows Solar Impulse 2, the solar airplane of Swiss pioneers Bertrand Piccard and André Borschberg, in...
In this handout image supplied by SI2, Picture shows Solar Impulse 2, the solar airplane of Swiss pioneers Bertrand Piccard and André Borschberg,...
In this handout image supplied by SI2, Picture shows Solar Impulse 2, the solar airplane of Swiss pioneers Bertrand Piccard and André Borschberg, in...