<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cac5b670cf0_-_electric-bucket-0611-sm.jpg>
<http://www.popularmechanics.com/technology/gadgets/how-to/a6785/how-to-build-a-go-kart-in-one-day/>