<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb1f7a00581_-_iceland-geothermal-04-1013-de.jpg>
<http://www.popularmechanics.com/science/energy/g1337/tour-one-of-icelands-incredible-geothermal-plants/>