<http://schema.org/about>
"The Netherlands' Limburg region truly has it all: Top-notch beer, cool castles, the occasional hill and, now, a self-sustaining floating home built to stringent"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/remodeling-design/blogs/autarkhome-passivhaus-meets-the-pontoon>