Solar Impulse Resumes Its Round-The-World Flight

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Solar Impulse 2, a solar-powered plane piloted by Bertrand Piccard of Switzerland, flies over the Golden Gate bridge in San Francisco, California, U.S. April 23, 2016, before landing on Moffett Airfield following a 62-hour flight from Hawaii. (Photo by Jean Revillard/Reuters/Solar Impulse) Continue reading »