Local villagers of Tibetan ethnic group perform to celebrate the upcoming Serfs Emancipation Day at Kesong Village in Shannan prefecture, southwest China's Tibet Autonomous Region, March 27, 2012. March 28 was designated as the annual Serfs Emancipation Day to commemorate the 1959 democratic reform in Tibet, which ended feudal serfdom and freed about 1 million Tibetan serfs, accounting for more than 90 percent of the region's population. [Photo/Xinhua]