<http://schema.org/alternativeHeadline>
"TODAY takes a look at pictures of the world\u2019s most expensive house, which is in Mumbai. It includes 37,000 square feet of space and three helipads and cost nearly $1 billion."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/remodeling-design/videos/most-expensive-home-has-three-helipads>