sentences:  Zeng was put under house arrest in August 2006 and the blog that details her life under constant surveillance and police harassment has been subsequently blocked in China.Zeng continued to update her blog until July 27, 2008, before her disappearance.Zeng Jinyan and Hu Jia made a 31-minute documentary, "Prisoners of Freedom City," of their seven-month house arrest from August 2006 to March 2007.