<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cab7019d4ea_-_ak47_1956_1210-de-63844316.jpg>
<http://www.popularmechanics.com/military/weapons/a6301/anatomy-of-an-ak-47/>