<http://schema.org/about>
"A massive crack in a huge sheet of Antarctic ice discovered in mid-October last year is steadily growing, as seen in recently released satellite images."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/nasa-image-proves-massive-crack-in-antarctic-ice-is-growi>