<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb211ddcf43_-_bike-hacks-10-1113-lgn.jpg>
<http://www.popularmechanics.com/adventure/sports/g1352/10-ingenious-bike-hacks/>