Ceremony for Nobel Peace Prize laureate Liu Xiaobo

A children's choir bows after performing at the ceremony for Nobel Peace Prize laureate Liu Xiaobo at city hall in Oslo, Norway Friday Dec. 10, 2010. Liu, a democracy activist, is serving an 11-year prison sentence in China on subversion charges brought after he co-authored a bold call for sweeping changes to Beijing's one-party communist political system. AN empty chair was left for Liu on the podium. (AP Photo/John McConnico)

A protester holds up a cardboard reading 'No meddling in China's internal affairs' as pro-Chinese authorities demonstrators take to the street in Oslo on December 10, 2010 to voice their opposition to the awarding of this year's Nobel Peace Prize to jailed Chinese dissident Liu Xiaobo. China lashed out on December 10 at the \"political theatre\" of the Nobel committee, saying its awarding the 2010 Peace Prize to jailed dissident Liu Xiaobo was a product of a \"Cold War mentality\". AFP PHOTO / SCANPIX NORWAY / Morten Holm -- NORWAY OUT -- (Photo credit should read HOLM, MORTEN/AFP/Getty Images)

King Harald V (L) and Queen Sonja (2ndL) arrive with the Nobel Peace Prize committee during the ceremony for the Nobel Laureate and dissident Liu Xiaobo at the city hall in Oslo, on December 10, 2010. With the guest of honour stuck in a Chinese prison, this year's Nobel Peace Prize ceremony centred around an empty chair, as its celebration of dissident Liu Xiaobo continues to split the global community and infuriate Beijing. AFP PHOTO/ODD ANDERSEN (Photo credit should read ODD ANDERSEN/AFP/Getty Images)

epa02488407 Activists of Amnesty International (ai) wear masks with the face of Nobel Peace Prize Laureate Liu Xiaobo, with protest banner reading; 'Your message can save lives', during a rally in Berlin, Germany, 10 December 2010. On the occasion of International Human Rights Day, ai demands the release of Liu and other political prisoners. EPA/STEPHANIE PILICK

American actors Denzel Washington and Anne Hathaway attend the ceremony for Nobel Peace Prize laureate Liu Xiaobo at city hall in Oslo, Norway Friday Dec. 10, 2010. Liu, a democracy activist, is serving an 11-year prison sentence in China on subversion charges brought after he co-authored a bold call for sweeping changes to Beijing's one-party communist political system. Washington and Hathaway will host the Nobel Peace concert for Liu on Saturday. (AP Photo/John McConnico)

A pro-democracy protester cries during the live broadcast of the Nobel Peace Prize ceremony in Hong Kong's Charter Garden December 10, 2010. China's rivals welcomed on Friday the awarding of the Nobel Peace Prize to jailed Chinese dissident Liu Xiaobo, while some of Beijing's allies questioned what they called the politicisation of the annual award. REUTERS/Tyrone Siu (CHINA - Tags: POLITICS CIVIL UNREST)

Chairman of the Norwegian Nobel Committee Thorbjoern Jagland poses next to the Nobel diploma and Nobel medal placed on the empty chair during the ceremony in Oslo City Hall Friday Dec. 10, 2010 to honour in absentia this years Nobel Peace Prize winner, jailed Chinese dissident Liu Xiaobo. (AP Photo Heiko Junge, pool)

A security man, only a hand shown, tries to keep a cameraman from shooting video footage outside the residential compound where Liu Xia, the wife of Nobel Peace Prize winner Liu Xiaobo lives in Beijing, China, Friday, Dec. 10, 2010. China tightened a wide-ranging clampdown on dissidents and blocked some news websites Friday, hours ahead of the awarding of the Nobel Peace Prize to imprisoned democracy activist Liu Xiaobo. (AP Photo/Andy Wong)

epa02488422 The Nobel-diploma awarded to the Nobel Peace Prize laureate for 2010, jailed Chinese dissident Liu Xiabo. The diploma reads: 'The Norwegian Nobel Committee has in accordance with the testament of Alfred Nobel, drawn on November 25th 1895, awarded the Nobel Peace Prize for 2010, to Liu Xiaobo'. It is signed by the Committee members Thorbjoern Jagland, Kaci K. Five, Ellen-Marie Ytterhorn, Sissel Roenbeck and Aagot Valle. The 2010 Nobel Peace Prize laureate Liu Xiaobo, a dissident serving an 11-year jail term in jail in north-east China for political offences was denied the permission to attend the ceremony. EPA/BERIT ROALD

REFILE - ADDING ADVISORY A picture of this year's Nobel Peace Laureate Liu Xiaobo is seen at an exhibition at the Nobel Peace Center in Oslo December 10, 2010. The prize will be given out later today, and the exhibition will be opened later today as well. REUTERS/Berit Roald/Scanpix (NORWAY - Tags: POLITICS CIVIL UNREST ANNIVERSARY) NO COMMERCIAL OR BOOK SALES. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. NORWAY OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORWAY

Protestors toast Nobel prize winner Liu Xiaobao in Hong Kong on December 10, 2009. China clamped down on dissidents, the Internet and the media as the Nobel committee readied to honour peace laureate Liu Xiaobo in Oslo. AFP PHOTO/MIKE CLARKE (Photo credit should read MIKE CLARKE/AFP/Getty Images)