<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/07/10/130710072055_middle_class_revolution_changing_the_world_304x171_thinkstock_nocredit.jpg>
<http://www.bbc.com/sinhala/sri_lanka/2014/07/140721_lanka_cp_dew.shtml>