Liu Xia

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Liu Xia, wife of 2010 Nobel Peace Prize winner Liu Xiaobo, stands Dec. 6, 2012, in her Beijing home where she has been held under house arrest for more than two years. Liu trembled uncontrollably and cried as she described how her confinement under house arrest has been absurd and emotionally draining in the two years since her jailed activist husband was named a Nobel Peace laureate. (Associated Press)

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Liu Xia, wife of imprisoned Nobel Peace Prize laureate Liu Xiaobo, is cut off from the outside world by the Chinese government. (Kyodo News via Associated Press)

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A plainclothes security man tells a photographer to move away from the gates to a residential compound where Liu Xia, the wife of 2010 Nobel Peace Prize winner Liu Xiaobo, is held under house arrest in Beijing on Tuesday, Oct. 12, 2010. (AP Photo/Ng Han Guan)

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** FILE ** Liu Xia, wife of jailed Chinese dissident Liu Xiaobo, who won this year's Nobel Peace Prize, is shown during an interview with the Associated Press in Beijing on Sept. 28, 2010. Mrs. Liu said in a Twitter message that she has been under house arrest since Friday, Oct. 8, 2010. (AP Photo/Andy Wong, File)

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In this Sept. 28, 2010 file photo, Liu Xia, wife of Chinese dissident Liu Xiaobo, speaks during an interview in Beijing, China. Liu Xia, the wife of Nobel Peace Prize winner Liu Xiaobo, said in a Twitter message that she had been under house arrest since Friday Oct. 8, 2010. (AP Photo/Andy Wong/file)

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Security personnel eat their meals as they watch over a entrance to the residential compound where Liu Xia, the wife of this year's Nobel Peace Prize winner Liu Xiaobo, is being held under house arrest in Beijing on Monday, Oct. 11, 2010. Liu Xia confirmed in a Twitter message that she had been placed under house arrest since Friday. (AP Photo/Ng Han Guan)

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Plain clothes security personnel stand guard at a side entrance to a residential compound where Liu Xia, the wife of this year's Nobel Peace Prize winner Liu Xiaobo, is held under house arrest in Beijing on Monday, Oct. 11, 2010. Liu Xia confirmed in a Twitter message that she had been placed under house arrest since Friday. (AP Photo/Ng Han Guan)

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Simon Sharpe (center), the European Union's first secretary of political affairs in China, is confronted by a plainclothes security officer as he tries to enter a residential compound where Liu Xia, the wife of this year's Nobel Peace Prize winner, Liu Xiaobo, is held under house arrest in Beijing on Monday, Oct. 11, 2010. (AP Photo/Ng Han Guan)