<http://schema.org/mentions>
"Backcountry, Baldface, Billabong, Canada, Cat Boarding, Cat Snowboarding, Gerry Lopez snowboarding, Kale Stephans, Nelson, Nick Hamilton, Powder"^^<http://www.w3.org/2001/XMLSchema#string>
<http://snowboarding.transworld.net/photos/billabong-slash-up-baldface/?pid=13603>