<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb1d037d5a0_-_neverending-construction-09-de.jpg>
<http://www.popularmechanics.com/technology/design/g1330/10-construction-projects-that-just-wouldnt-end-16020653/>