<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ffda232f0b5-drought-monitor-aug-16-2011-md.jpg>
<http://www.goodhousekeeping.com/institute/a24451/green-news-august-22/?src=shelter_footer>