<http://schema.org/about>
"A '100% self-supporting housing solution for the post-oil world,' the Oil Silo Home concept makes use of the thousands of oil storage units that will inevitably"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/remodeling-design/blogs/oil-refineries-sustainable-communities-for-the-post-oil-world>