<http://schema.org/keywords>
"NZ,Glaciers,Melted,As,European,Expanded,At,The,End,Of,Ice,Age"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.oneindia.com/2010/09/09/nzglaciers-melted-as-european-expanded-at-the-end-of-iceag.html>