<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1470/54fed7c24a365-ghk-blackboard-cabinet-de.jpg>
<http://www.goodhousekeeping.com/home/craft-ideas/how-to/g308/blogger-smart-solutions/>