<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x400/54cb097124c7b_-_curiosity-drilled-soil-sample-01-0213-lgn.jpg>
<http://www.popularmechanics.com/space/moon-mars/a8681/curiosity-digs-deep-grabs-first-sample-of-subsurface-mars-15124933/>