<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb16c99f6ad_-_bho-carousel-01-0713-de.jpg>
<http://www.popularmechanics.com/technology/design/g1233/carnival-contrivances-a-brief-history-of-the-carousel/>