<http://schema.org/about>
"The Mars One project is drawing up plans for simulation outposts on Earth to give potential Red Planet settlers a taste of Martian life."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/mars-one-to-build-simulated-red-planet-colonies-on-earth>