<http://schema.org/alternativeHeadline>
"The pseudo-Martian living space would be used to acclimate members to living on the planet during their one-way trip to Mars."^^<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>