<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54caa6ac56210_-_bike_design_03a_0610-lg.jpg>
<http://www.popularmechanics.com/adventure/sports/g298/10-brilliant-bike-redesigns/>