<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/07/06/130706231727_san_francisco_asiana_boeing_accident_304x171_ap_nocredit.jpg>
<http://www.bbc.com/afrique/monde/2013/07/130707_crash_boieng.shtml>