The Solar Impulse-HB-SIA leaves the ground off the Payerne airfield in Switzerland.
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: Solar Impulse
Credit: United States Library of Congress