<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x400/54cb18c12712b_-_hyperloop-04-0813-de.jpg>
<http://www.popularmechanics.com/space/a9334/all-aboard-the-hyperloop-15801593/>