<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/cpsprodpb/13CB/production/_88676050_exomars2016_mars_map_landing_sites_20160224_1280.jpg>
<http://www.bbc.com/news/science-environment-35799792>