<http://schema.org/headline>
"\u0397 \u03BF\u03C6\u03B8\u03B1\u03BB\u03BC\u03B1\u03C0\u03AC\u03C4\u03B7 \u03C4\u03BF\u03C5 &amp;#8220;\u039A\u03B1\u03C4\u03B1\u03C1\u03C1\u03AC\u03BA\u03C4\u03B7 \u03C4\u03BF\u03C5 M. C. Escher&amp;#8221; (Video)  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.otherside.gr/2011/02/ofthalmapati-tou-katarrakti-tou-m-c-escher/>