Attendants refill teacups as Chen Quanguo (center), Communist Party secretary of China's Xinjiang Uighur Autonomous Region, listens to a speaker during a group discussion meeting on the sidelines of the National People's Congress at the Great Hall of the People in Beijing, on March 12, 2019. The Politburo member is one of the subjects of new U.S. sanctions over human rights abuses in the region. (AP)