<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2013/02/sina-weibo-520x245.jpg>
<http://thenextweb.com/asia/2013/09/12/you-wont-believe-sina-weibos-censorship-efforts-150-man-team-handles-3-million-posts-every-day/>