<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cb5fd87f7c7_-_zoli-bridge-06-0912-lgn.jpg>
<http://www.popularmechanics.com/technology/infrastructure/g1707/the-monumental-new-us-to-canada-bridge/>