<http://schema.org/thumbnailUrl>
<https://gigaom.com/wp-content/uploads/sites/1/2013/07/urine-power-researcher-dr-dr-ioannis-ieropoulos.jpg?quality=80&amp;strip=all>
<http://gigaom.com/2013/07/17/has-your-phone-run-out-of-juice-these-researchers-can-recharge-it-with-human-urine/>