<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb7bf691156_-_live-well-to-age-well-mdn.jpg>
<http://www.womansday.com/health-fitness/wellness/g45/10-secrets-to-better-aging-2105/>