<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbz.h-cdn.co/assets/cm/15/04/480x720/54bc9729cfa89_-_hbz-may-2013-james-turrell-portrait-xln.jpg>
<http://www.harpersbazaar.com/culture/features/g2667/james-turrell-interview-0513/>