<http://schema.org/alternativeHeadline>
"Partnership between Christie's Auction House and the Leonardo DiCaprio Foundation expected to raise between $15M-$25M for environmental initiatives."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/blogs/as-gatsby-opens-dicaprio-to-appear-at-massive-eco-charity-art-auction>