<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cb1c3bae882_-_solar-decathlon-04-1013-de.jpg>
<http://www.popularmechanics.com/technology/design/g1305/whats-inside-the-solar-powered-house-of-the-future/>