<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/15/05/nrm_1422291372-hbx-wallpaper-winter-trees-aarni-1211-mdn.jpg>
<http://www.housebeautiful.com/shopping/home-accessories/tips/g1140/winter-tree-wallpapers-1211/>