<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/54c14332807d5_-_hbx-graphic-geometric-modern-art.jpg>
<http://www.housebeautiful.com/room-decorating/tips/a1842/geometric-contemporary-art/>