<http://schema.org/alternativeHeadline>
"The debris slowly arriving in North America is only a fraction of the estimated 5 million tons of rubble and other materials swept into the sea by the tsunami."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/on-2-year-anniversary-tsunami-debris-still-washing-ashore>