People of Tibetan ethnic group dance to celebrate the upcoming Serfs' Emancipation Day in Lhasa, southwest China's Tibet Autonomous Region, March 26, 2015. 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 one million Tibetan serfs. (Xinhua/Chogo)

People of Tibetan ethnic group attend an activity celebrating the upcoming Serfs' Emancipation Day in Doilungdeqen County, southwest China's Tibet Autonomous Region, March 26, 2015. 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 one million Tibetan serfs. (Xinhua/Purbu Zhaxi)

People of Tibetan ethnic group dance to celebrate the upcoming Serfs' Emancipation Day in Doilungdeqen County, southwest China's Tibet Autonomous Region, March 26, 2015. 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 one million Tibetan serfs. (Xinhua/Purbu Zhaxi)