<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/28/640x376/53a0f6f52c0fc_-_pushupsgif.gif>
<http://www.cosmopolitan.com/health-fitness/how-to/a22537/high-intensity-full-body-exercises/>