<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/28/640x636/53a0f8e55bf37_-_cos-01-twins-de.jpg>
<http://www.cosmopolitan.com/lifestyle/news/a22905/utexas-identical-twins-inseparable/?click=rel>