<http://schema.org/alternativeHeadline>
"One part public art installation, one part floating solar farm, Energy Duck is a semi-scary spectacle that generates green power for Denmark's capital city."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/energy/blogs/this-plus-sized-duck-would-provide-copenhagen-with-clean-energy>