<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x980/54ff604d21c35-butterflywatch-de.jpg>
<http://www.goodhousekeeping.com/home/decorating-ideas/g1215/butterfly-themed-products/>