<http://schema.org/about>
"A solar-powered airplane completed its longest flight yet \u2014 from Dallas to St. Louis \u2014 in spite of stormy weather."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/stories/solar-impulse-plane-dodges-bad-weather-on-way-to-st-louis>