<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/768x516/54cad4aab79fe_-_solar-decathlon-12-0911-xln.jpg>
<http://www.popularmechanics.com/science/energy/g658/22-ways-to-build-the-home-of-the-future-solar-decathlon-2011/>