<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb90ea314f7_-_everyday-things-you-need-to-know-mdn.jpg>
<http://www.womansday.com/style/how-to/g541/how-to-sew-a-button-105236/>