<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/12/32/640x320/landscape_gaming_sacred_citadel_screen.jpg>
<http://www.digitalspy.com/gaming/news/a504648/humble-bundle-deep-silver-adds-metro-2033-risen-sacred-citadel/>