<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/320x384/54eaec5c573dc_-_sweep-steps-s3.jpg>
<http://www.countryliving.com/home-maintenance/cleaning/tips/g739/spring-cleaning-tips-2009/?link=rel&dom=yah_life&src=syn&con=blog_countryliving&mag=clg>