<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x400/54cb0d41559a3_-_human-powered-helo-04-0413-lgn.jpg>
<http://www.popularmechanics.com/flight/how-to/a8864/two-teams-one-dream-the-human-powered-helicopter-15354870/?click=main_sr>