In Pictures: Joe Biden takes helm as US president
Joe Biden has become the 46th president of the United States.
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Joe Biden has become the 46th president of the United States after swearing the oath of office in Washington.
The inauguration ceremony unfolded at a US Capitol battered by an insurrectionist siege just two weeks ago, encircled by security forces evocative of those in a war zone, and devoid of crowds because of the coronavirus pandemic.
Here are some of the images from Washington as Donald Trump departed the White House after a tumultuous four years: