<http://schema.org/description>
"HUMAN ancestors first used fire a million years ago &amp;#8211; 300,000 years earlier than previously thought, scientists now believe."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.scotsman.com/news/world/kalahari-campfire-site-is-a-million-years-old-1-2211766>