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Swiss aviator of the solar-powered plane Solar Impulse 2 Bertrand Piccard, speaks after landing at San Pablo airport in Seville, southern Spain

Swiss aviator of the solar-powered plane Solar Impulse 2 Bertrand Piccard, speaks after landing at San Pablo airport in Seville, southern Spain June 23, 2016. REUTERS/Marcelo del Pozo

Solar Impulse Plane

Tech- Solar Impulse Plane