<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/2013/03/26/130326113417_building_cities_6_512x288_bbc_nocredit.jpg>
<http://bbchindi.com/hindi/international/2013/02/130222_future_city_vd.shtml>