<http://schema.org/alternativeHeadline>
"When you live in the treetops, how else are you going to get your stocky dog from place to place?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/pets/stories/bulldog-uses-zipline-to-get-to-his-treehouse-home-video>