<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/768x174/54cfd170efa73_-_wtc1-photos-10-0512-xln.jpg>
<http://www.popularmechanics.com/technology/design/g845/pictures-from-the-top-of-world-trade-center-1/>