<http://schema.org/about>
"You don't have to be Sherlock Holmes to figure out that there's something going on if a train crosses the US-Canada border 12 times back and forth (24 times across the line) without unloading its cargo."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/biodiesel-train-crossed-us-canada-border-24-times-exploit-loophole.html>