Pilot Andre Borschberg (R) and Bertrand Piccard gesture during a news conference after their arrival of Solar Impulse 2, a solar powered plane, in Abu Dhabi on Tuesday July 26, 2016. Photo: REUTERS
Pilot Andre Borschberg (R) and Bertrand Piccard gesture during a news conference after their arrival of Solar Impulse 2, a solar powered plane, in Abu Dhabi,UAE on Tuesday July 26, 2016. Photo: REUTERS