<http://schema.org/alternativeHeadline>
"South Korea is going to lengths to relieve overcrowding in Seoul, where 25 million people are already living under some of the world's most crowded conditions."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/166094/south-korea-hopes-man-made-islands-and-a-soulless-mini-capital-will-save-seoul-from-overcrowding/>