<http://schema.org/about>
"In 1982 Agnes Denes created one of the first examples of ecological art--she planted a wheatfield on an abandoned piece of land in downtown New York.   Now, 27 years later, her work is being reinterpreted and updated, only"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/a-wheatfield-grows-in-the-east-end-of-london.html>