<http://schema.org/about>
"For the past 50 years, we have been able to explore our planet's only natural satellite as never before. Check out these ten amazing photos of the moon."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/photos/10-awe-inspiring-images-of-the-moon/lunar-eclipse-from-earth>