<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54ca9db4d37b8_-_stanford_500x375_0410-lg-57915014.jpg>
<http://www.popularmechanics.com/military/a5489/awesome-tiny-planes/>