Some 56 representatives of China's 56 ethnic groups wearing their individual characteristic costumes jump on the square in front of Potala Palace in Lhasa, Southwest China's Tibet autonomous region on Sept 27, 2012. The 56 representatives met together and shared the joy, symbolizing the unity among different groups. [Photo/Xinhua]

Some 56 representatives of China's 56 ethnic groups wearing their individual characteristic costumes dance together on the square in front of Potala Palace in Lhasa, Southwest China's Tibet autonomous region on Sept 27, 2012. [Photo/Xinhua]