<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x768/54ff604cdd6c9-butterflyplate-de.jpg>
<http://www.goodhousekeeping.com/home/decorating-ideas/g1215/butterfly-themed-products/>