<http://schema.org/thumbnailUrl>
<http://www.androidcentral.com/sites/androidcentral.com/files/styles/thumbnail/public/article_images/2014/05/google-self-driving-car-parked.jpg?itok=ULPbjVRq>
<http://www.androidcentral.com/googles-self-driving-cars-cant-go-where-no-man-has-gone>