<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb134be6a4e_-_rbc-2013-07-0613-de.jpg>
<http://www.popularmechanics.com/culture/music/g1210/wacky-musical-instruments-of-red-bull-creation-2013/>