<http://schema.org/alternativeHeadline>
"Yet another must-see environmental film of 2009. &lt;i&gt;DIRT!&lt;/i&gt; chronicles the delicate relationship between man and soil."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/blogs/dirt-the-movie>