<http://schema.org/headline>
"\u00C9lue \u00ABphoto de l'ann\u00E9e\u00BB par la Nasa (PHOTOS)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://quebec.huffingtonpost.ca/2013/04/09/photo-annee-nasa-volcan-el-hierro_n_3045252.html>