<http://schema.org/about>
"This design is called the \"Branch Lamp,\" and the name pretty much sums it all up. It's made from a branch felled by one of the tornadoes that hit New York City last autumn, with some metal shims, a spun aluminum"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/superbly-simple-lamp-is-made-from-a-storm-felled-branch-not-much-else.html>