<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ffa50907c23-cln-txt-swf-swp-wet-de.jpg>
<http://www.goodhousekeeping.com/institute/a22433/cleaners-i-cant-live-without/>