<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb120eb7d8f_-_cicada-06-0513-de.jpg>
<http://www.popularmechanics.com/science/animals/g1213/up-close-with-a-cicada/>