<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cadfb3e4c55_-_spacex-factory-01-0112-lgn-94963935.jpg>
<http://www.popularmechanics.com/space/rockets/g768/inside-spacex-we-visit-the-companys-california-headquarters/>