<http://schema.org/mentions>
"Casey Timm, jake olson elm, John Hemminger, june, June Mountain, scotty vine, Signal Snowboards, Yusaku Horri"^^<http://www.w3.org/2001/XMLSchema#string>
<http://snowboarding.transworld.net/photos/first-annual-signal-retreat-june-mountain/?pid=42836>