<http://schema.org/url>
<http://www.treehugger.com/sustainable-product-design/30-different-ways-to-put-a-roof-over-your-head-in-these-tents-times.html>
<http://www.treehugger.com/sustainable-product-design/30-different-ways-to-put-a-roof-over-your-head-in-these-tents-times/page2.html>