<http://schema.org/about>
"A new solar-powered plane that will be used to fly around the world in five consecutive days without using any fuel was unveiled on April 9 in Switzerland."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/stories/new-solar-impulse-plane-aims-for-round-the-world-flight>