Two workers unveil a portrait of Nobel Laureate and dissident Liu Xiaobo before the ceremony to award the Chinese dissident the Nobel Peace Prize 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