<http://schema.org/headline>
"Antarctique : le lac Vostok d\u00E9couvert \u00E0 4 km sous la glace"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.terrafemina.com/societe/international/articles/10865-antarctique--le-lac-vostok-decouvert-a-4-km-sous-la-glace.html>