<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/54145000/gif/_54145268__48951920_south_china-sea_1_466-1.gif>
<http://www.bbc.com/news/world-asia-16926554>