<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cb18c1c9b4c_-_hyperloop-01-0813-mdn.jpg>
<http://www.popularmechanics.com/space/a9334/all-aboard-the-hyperloop-15801593/>