<http://schema.org/about>
"It turns out that if you wanted every person in the world to move to Texas, finding room for everyone wouldn't be your biggest problem. A series of maps produced by denisty blog Per Square Mile shows"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/at-nycs-density-the-worlds-population-could-live-in-texas.html>