A building where the Sina Weibo censorship office is located is seen on the outskirts of Tianjin, August 4, 2013. Sina Corp, one of China's biggest Internet firms, runs the microblogging site, which ... more 
A building where the Sina Weibo censorship office is located is seen on the outskirts of Tianjin, August 4, 2013. Sina Corp, one of China's biggest Internet firms, runs the microblogging site, which has 500 million registered users. It also employs the censors. The Sina Weibo censors are a small part of the tens of thousands of censors employed in China to control content in traditional media and on the Internet. Picture taken August 4, 2013. REUTERS/Li Hui (CHINA - Tags: POLITICS SCIENCE TECHNOLOGY BUSINESS TELECOMS) less 
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Reuters | Photo By STAFF / REUTERS
Wed, Sep 11, 2013 5:21 PM EDT