<http://schema.org/about>
"Medellin, Colombia: This city's name used to strike fear in peoples' hearts. In the 80s and early 90s, it was known as the drug capital of the world and the most violent city on the planet."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/from-worlds-drug-capital-to-green-oasis-the-incredible-story-of-medellin-colombia-slideshow.html>