<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/320x436/54c13309825a8_-_ver-most-popular-pins-pinterest-2014-2.jpg>
<http://www.housebeautiful.com/room-decorating/reviews/g1590/top-decorating-pinterest-pins-2013/>