<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/07/22/130722202907_cameron_2_336x189_bbc_nocredit.jpg>
<http://bbchindi.com/hindi/international/2013/08/130722_uk_pornography_sb.shtml>