Shen Chunyao, secretary of the Bill Group of Secretariat of the first session of the 13th National People's Congress (NPC) and chairman of the Legislative Affairs Commission of the NPC Standing Committee, and Zheng Shuna, deputy secretary of the Bill Group of Secretariat of the first session of the 13th NPC and vice chairperson of the Legislative Affairs Commission of the NPC Standing Committee, take questions at a press conference on an amendment to the country's Constitution in Beijing, capital of China, March 11, 2018. (Xinhua/Yan Yan)