<http://schema.org/about>
"If your cat's aesthetic is more Frank Gehry than, well, Petco, then Snookums is going to dig designer Susan Kralovec's cat trees. Handcrafted in San Francisco and made from 100 percent corrugated cardboard (with 35 percent minimum recycled content),"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/everyday-studio-cat-tree.html>