<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cb03b408b01_-_how-to-make-gif-01-0213-de.jpg>
<http://www.popularmechanics.com/culture/web/how-to/a8534/how-to-make-your-own-gifs-14880064/?click=pm_latest>