Wan Exiang, vice chairman of the Standing Committee of the National People's Congress (NPC), presides over an oath-taking ceremony for new-appointed official at the Great Hall of the People in Beijing, capital of China, Jan. 30, 2018. He Xin was appointed deputy secretary-general of the 12th NPC Standing Committee in accordance with the decision by the NPC Standing Committee at a session. He attended the oath-taking ceremony to pledge his allegiance to the Constitution on Tuesday. (Xinhua/Yao Dawei)

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