<http://schema.org/about>
"Considerably less famous than the NYC newcomer, Paris' \"Coulee Verte,\" a park on an elevated rail line, has been open to visitors since the early 1990s."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/urban-design/paris-elevated-park-predates-nycs-high-line-20-years.html>