<http://schema.org/mentions>
"big waves, big-wave surfing, Eli Olson, Hawaii, Kahea Hart, Kala Alexander, Kalani Chapman, North Shore, Oahu, Outer Reef"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.grindtv.com/surf/big-and-glassy-at-an-oahu-outer-reef/?show=gallery&pid=67429>