<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x480/54cae4351fd58_-_fukushima-robots-03-0312-lgn.jpg>
<http://www.popularmechanics.com/technology/robots/g795/3-robots-that-braved-fukushima-7223185/>