<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54eba2d92b9f6_-_5-button-crafts-step-4-xl-71226777.jpg>
<http://www.womansday.com/home/crafts-projects/how-to/g789/crafts-with-buttons/>