<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/16/21/640x320/landscape-1464365041-pmx060116-kayaking21.jpg>
<http://www.popularmechanics.com/adventure/outdoors/how-to/a20652/getting-started-in-kayaking/>