<http://schema.org/about>
"The agenda 21 conspiracy theorists deride it as \"pack'em and stack'em\" housing but it's an interesting idea."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/urban-design/visions-future-where-cities-are-all-one-building/page/3/>