<http://schema.org/about>
"Michigan's nightlife is looking up. The state's first International Dark Sky Park has been created. It's now one of only six in the U.S. and 10 in the world. Think about that. In lots of (too many?) places on Earth, you don't see"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/new-international-dark-sky-park-opens-in-michigan-only-nine-others-in-the-world.html>