<http://schema.org/alternativeHeadline>
"12 green-thinking cyclists biked 80-100 miles a day for 5 days straight to get to the Opportunity Green conference in Los Angeles."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/blogs/eco-preneurs-bike-450-miles-for-a-business-conference>