
DUBENDORF, SWITZERLAND - NOVEMBER 19: Workers prepare the Solar Impulse airplane HB-SIA for a first runway test on November 19, 2009 in Dubendorf, Switzerland. Solar Impulse chairman Bertrand Piccard, psychatrist and aeronaut, who made the first non-stop round-the-world balloon flight, and CEO and former fighter pilot André Borschberg plan a round-the-world flight, driven only by solar energy, for 2012. (Photo by Johannes Simon/Getty Images)
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