<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/08/54ea908b5abec_-_03-wd0809-scrap-metal-map-2.jpg>
<http://www.womansday.com/life/travel-tips/a845/10-amazing-us-map-artworks-82873/?src=shelter_footer>