Image via EvWorld.Com:
This ultralight and ultrasilent solar and battery powered plane flew overĀ San Francisco, 4/24/13. It previously flew for 26 hours straight, taking off from it’s home base in Payerne, Switzerland, Wednesday, July 7, 2010 at 7:00 AM and landing Thursday, July 8, 2010 at 9:06 AM.
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