Nyima Wangdui, a member of the Communist Party of China, tells hard times of past Tibet during a ceremony to celebrate Serfs' Emancipation Day in Daxing Village of Zhamog Township in Bomi County of Nyingchi, southwest China's Tibet Autonomous Region, March 28, 2017. People here celebrated Serfs' Emancipation Day on March 28, which was designated as the day to mark the freeing of 1 million people, or 90 percent of the region's population at that time, from the feudal serf system in 1959. (Xinhua/Purbu Zhaxi)