<http://schema.org/alternativeHeadline>
"Want to see a high-energy dog in heaven? Let them loose on forested mountain bike trails to race ahead of their human. This is doggy bliss."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/speedy-border-collie-races-teenager-over-mountain-bike-trails>