<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/12/39/1280x720/gallery_cult_doctor_who_s07_e05_2.jpg>
<http://www.digitalspy.com/tv/doctor-who/review/a408392/doctor-who-the-angels-take-manhattan-review/>