<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/63848000/gif/_63848580_china_shixia2_1012.cmp.gif>
<http://www.bbc.co.uk/news/world-asia-china-20103483>