<http://schema.org/headline>
"K pob\u0159e\u017E\u00ED USA se bl\u00ED\u017E\u00ED ob\u0159\u00ED ropn\u00E1 skvrna "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.denik.cz/ze_sveta/k-pobrezi-usa-se-blizi-obri-ropna-skvrna-20100428.html>