<http://schema.org/about>
"A lightning strike and a house fire that ignited a propane tank are among the immediate causes of the wildfires torching thousands of Arizona acres, media repor"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/why-arizona-gets-scorched-by-wildfires>