<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/69298000/gif/_69298880_romanians_bulgarians_in_uk_464.gif>
<http://www.bbc.co.uk/news/uk-politics-25114890?postId=118018781>