<http://schema.org/alternativeHeadline>
"A pod of orcas captured the world's attention after being trapped in the ice of Hudson Bay. The good news? They've managed to escape."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/videos/orcas-free-after-being-trapped-in-ice-in-quebec>