Tibetan villagers celebrate the 54th Serfs Emancipation Day with singing and dancing in Dinggye county, Xigaze prefecture, Southwest China's Tibet autonomous region, on March 27, 2013. The annual Serfs Emancipation Day is held on March 28 to commemorate the 1959 democratic reform in Tibet, which ended feudal serfdom and freed about one million Tibetan serfs.[Photo/Xinhua]