<http://schema.org/description>
"Casa Pi by the University of Zaragoza is the only cylindrical house and it produces twice as much energy as it uses"^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/cylindrical-casa-pi-by-sde-2012-team-zaragoza-produces-twice-as-much-energy-as-it-uses/>