<http://schema.org/alternativeHeadline>
"The Prelude\u00A0is longer than the Empire State building or Kuala Lumpur's Petronas Towers are tall and displaces six times as much water as the world's largest aircraft carrier."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/154651/why-samsung-just-launched-the-worlds-largest-floating-vessel/>