<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/64320000/jpg/_64320007_20121122_henleaze_fallen_tree_rt0013.jpg>
<http://www.bbc.co.uk/news/uk-england-somerset-20440662>