<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eafc4818249_-_03-house-energy-diet_medium.jpg>
<http://www.womansday.com/life/a2443/5-easy-ways-to-celebrate-earth-day-116473/?src=shelter_footer>