<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb28984fd23_-_weird-bikes-02-0214-lgn.jpg>
<http://www.popularmechanics.com/adventure/outdoors/g1422/8-of-the-worlds-weirdest-bicycles/>