Workers prepare for the inauguration ceremony at the National Mall in Washington, D.C., the United States, on Jan. 13, 2021. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
Photo taken on Jan. 13, 2021 shows the Washington Monument seen through a barrier fence in Washington, D.C., the United States. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
Workers prepare for the inauguration ceremony at the National Mall in Washington, D.C., the United States, on Jan. 13, 2021. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
A worker carries a security fence in Washington, D.C., the United States, Jan. 13, 2021. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
National Guard soldiers secure the U.S. Capitol building in Washington, D.C., the United States, on Jan. 13, 2021. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
National Guard soldiers secure the U.S. Capitol building in Washington, D.C., the United States, on Jan. 13, 2021. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
Workers erect a security fence in Washington, D.C., the United States, Jan. 13, 2021. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
Photo taken on Jan. 13, 2021 shows the Washington Monument seen through a barrier fence in Washington, D.C., the United States. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
Photo taken on Jan. 13, 2021 shows the Washington Monument in Washington, D.C., the United States. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)
Workers prepare for the inauguration ceremony at the National Mall in Washington, D.C., the United States, on Jan. 13, 2021. U.S. President Donald Trump on Monday approved the emergency declaration for Washington, D.C., the nation's capital, through Jan. 24, covering the date of President-elect Joe Biden's inauguration on Jan. 20. (Xinhua/Liu Jie)