<http://schema.org/about>
"Looking back at the most popular posts on TreeHugger in the Design and Architecture category, one sees a rather odd mix, barely a normal bit of design and architecture in the bunch. In fact, there is only one real building in"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/the-most-popular-posts-in-design-and-architecture-in-2010-slideshow.html>