<http://schema.org/about>
"For decades, modern office buildings have been pretty much covered in glass curtain walls. Some are high performance and very expensive, like the super-green LEED Platinum Bank of America Building at 1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/can-an-all-glass-office-building-really-be-considered-green.html>