<http://schema.org/about>
"\nInvisible TreeHouse? Really?\nThey said it couldn't be done. When we first wrote about the almost invisible treehouse to be built in Sweden by Tham &amp; Videgard, 899 commenters thought it was AutoCad eye candy, impossible to build and death for birds. But"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/almost-invisible-mirrored-tree-house-built-in-sweden.html>