<http://schema.org/headline>
"En Chine, le mirage des \u00E9cocit\u00E9s"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.lemonde.fr/planete/visuel/2015/09/26/en-chine-le-mirage-des-ecocites_4771532_3244.html>