The solar-powered Solar Impulse 2 aircraft sits on the tarmac in Payerne on November 13, 2014 before a test flight with Swiss pilot Bertrand Piccard, who conducted one of the last test flight in Switzerland. The attempt to fly around the world in stages using only solar energy will be made from March 2015 starting in Abu Dhabi. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)
