<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cadfb689975_-_spacex-factory-07-0112-lgn.jpg>
<http://www.popularmechanics.com/space/rockets/g768/inside-spacex-we-visit-the-companys-california-headquarters/>