<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/03/05/130305112528_viet_catholics_304x171_afp_nocredit.jpg>
<http://bbcvietnamese.com/vietnamese/vietnam/2013/03/130313_new_pope_vietnam.shtml>