<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eafc577a378_-_world-famous-animals-in-captivity-mdn.jpg>
<http://www.womansday.com/life/a2446/world-famous-animals-in-captivity-117709/>