<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/08/54ea98bb89c42_-_09and10_pepsi-balloon-2.jpg>
<http://www.womansday.com/life/a974/10-brilliant-balloon-artworks-91860/>