File photo taken on Jan. 20, 2017 shows U.S. President Donald Trump delivering his inaugural address after he was sworn in as the 45th president of the United States during the presidential inauguration ceremony at the U.S. Capitol in Washington D.C., the United States. April 29, 2017 marks the 100th day of Donald Trump's office as the 45th president of the United States. (Xinhua/Yin Bogu)
