<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54caa4179ce58_-_flagpole_04_0510-lg-92070049.jpg>
<http://www.popularmechanics.com/home/outdoor-projects/how-to/a5817/how-to-set-up-a-flagpole/>