<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbz.h-cdn.co/assets/cm/14/52/640x960/5498fdea2d2c1_-_hbz-david-letterman-lady-gaga-embed-lg.jpg>
<http://www.harpersbazaar.com/culture/film-tv/videos/a2018/david-letterman-leaving-late-night/>