<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cb5fd5e2482_-_zoli-bridge-01-0912-de.jpg>
<http://www.popularmechanics.com/technology/infrastructure/g1707/the-monumental-new-us-to-canada-bridge/>