<http://schema.org/about>
"The Eglinton West subway station was designed by the late great Arthur Erickson and was supposed to be spectacular; the roof is almost completely column-free, because it was going to all be a spectacular cantilever over the"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/green-roof-installed-over-toronto-subway-station.html>