<http://schema.org/alternativeHeadline>
"A group lead by Greenpeace has purchased land integral to the expansion of London's Heathrow Airport and won't be selling."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/blogs/activists-buy-land-to-block-heathrow-expansion>