<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/768x516/54d1228eafd2d_-_animal-architects-02-0511-xln.jpg>
<http://www.popularmechanics.com/science/animals/g518/8-amazing-architects-of-the-animal-kingdom/>