<http://schema.org/about>
"For a true taste for the history of the game, take a virtual visit to these 10 historic baseball stadiums."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/family-activities/photos/10-historic-ballparks-where-you-can-still-catch-a-game/rickwood>