<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/15/16/980x1470/gallery-1429216774-fireengines-highresolution.png>
<http://www.popularmechanics.com/cars/trucks/g1967/here-are-the-firetrucks-of-the-world/>