<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/74917000/jpg/_74917570_h4080483-john_harrison,_english_clockmaker-spl.jpg>
<http://www.bbc.com/news/uk-england-york-north-yorkshire-28276113>