<http://schema.org/alternativeHeadline>
"The icy lakes may look like a bad thing, but the ice could also protect the spawning beds of whitefish and some other fish species from winter storms."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/space/stories/stunning-ice-covered-great-lakes-as-seen-from-space>