<http://schema.org/alternativeHeadline>
"In 1958, Mao Zedong ordered all sparrows to be killed. As a direct result, millions of people starved to death."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/the-great-sparrow-campaign-was-the-start-of-the-greatest-mass>