U.S. President-elect Donald Trump addresses a victory rally held at Capital One Arena in Washington, D.C., the United States, Jan. 19, 2025. The inauguration ceremony of U.S. President-elect Donald Trump will be held in Washington, D.C. on Monday. [Photo/Xinhua]

U.S. President Donald Trump on Monday revoked nearly 80 of the Biden administration's executive actions at a signing ceremony held at the Capital One Arena in Washington, D.C., just a few hours after he was sworn in as the 47th president of the United States.