<http://schema.org/about>
"We love vertical farms and while they may not be as practical as green roofs, the idea of food being grown right in the city doesn't get any more local than this. New York magazine asked four architects to dream up"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/vertical-diagonal-farm-from-work-ac-in-nyc/page2.html>