<http://schema.org/about>
"Good ole northern lights and southern lights, both visible 65 to 72 degrees north and south latitudes respectively, are actually just natural light shows that e"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/photos/8-amazing-auroras-seen-on-earth-and-beyond/the-arctic>