For the first time in history, two pilots flew the Solar Impulse 2, a solar powered plane, around the world without using any fuel. This technology will have to be developed more before the public will be able to fly in them. Nevertheless, this flight symbolized the innovative progress made by aviators and energy conservationists. Listen to the story to hear more about the flight from pilot, Bertrand Piccard.
Story Length: 2:55
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