Joe Biden was sworn in as the 46th president amid heightened security and a Washington devoid of crowds .
/ 35 PHOTOS
The "Field of flags" is seen on the National Mall in front of the Capitol ahead of inauguration ceremonies for President-elect Joe Biden on Jan. 20, 2021.
— Allison Shelley / Reuters
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President Donald Trump and first lady Melania Trump board Air Force One for the last time at Andrews Air Force Base, Md.
In a break with tradition, Trump did not attend the inauguration of his successor.
President-elect Joe Biden and his wife Jill Biden attend Mass at the Cathedral of St. Matthew.
— Evan Vucci / AP
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The view from West Front of the Capitol.
— Susan Walsh / AFP - Getty Images
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From left, Doug Emhoff, Vice President-elect Kamala Harris, Jill Biden, President-elect Joe Biden, Sen. Roy Blunt, R-Mo. and Sen. Amy Klobuchar walk into the Capitol.
— Joe Raedle / Getty Images
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Harris and Biden wave as they arrive on the East Front of the Capitol.
— Joe Raedle / Getty Images
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Former President Barack Obama and Michelle Obama.
— Rob Carr / Getty Images
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Vice President Mike Pence and his wife Karen.
— Carolyn Kaster / AP
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House Majority Whip James Clyburn and former President George Bush pose for a selfie.
— Patrick Semansky / AP
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Former President Bill Clinton arrives with former Secretary of State Hillary Clinton.
— Rob Carr / Getty Images
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Lady Gaga arrives.
— Patrick Semansky / Pool via AP
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Harris greets Vice President Mike Pence.
— Alex Wong / Getty Images
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Former President Barack Obama greets Harris.
— Susan Walsh / Pool via AFP - Getty Images
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The Bidens arrive on the West Front of the Capitol.
Kamala Harris is sworn in as vice president as her husband Doug Emhoff holds a Bible.
— Patrick Semansky / AP Pool
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Newly sworn in Vice President Kamala Harris looks back at singer Jennifer Lopez.
— Drew Angerer / Getty Images
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Kamala Harris bumps fists with Joe Biden after being sworn in as vice president.
— Jonathan Ernst / Reuters
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Members of the audience maintain social distancing.
— Brendan McDermid / Reuters
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Joe Biden is sworn in as the 46th president of the United States by Chief Justice John Roberts as Jill Biden holds the Bible. Their children Ashley and Hunter look on.
— Andrew Harnik / AP
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Biden takes the oath of office.
— Saul Loeb / AFP - Getty Images
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Biden embraces the first lady after being sworn in as son Hunter Biden and daughter Ashley look on.
— Drew Angerer / Getty Images
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Amanda Gorman, the youngest known inaugural poet in U.S. history, recites her poem "The Hill We Climb."
— Kevin Lamarque / Reuters
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Garth Brooks performs.
— Drew Angerer / Getty Images
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President Joe Biden speaks at his inauguration.
— Patrick Semansky / Pool via AP
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Jill Biden reaches out after her husband was sworn in as president.
— Alex Wong / Getty Images
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President Biden, the first lady, Vice President Kamala Harris and Douglas Emhoff attend a Pass in Review ceremony on the East Front of the Capitol after the inauguration.
— Joe Raedle / Getty Images
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Biden, the first lady and family members during a Presidential Escort to the White House.
— Doug Mills / Pool via AP
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Biden and the first lady arrive at the North Portico of the White House.
— Alex Brandon / Pool via Getty Images
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Kelsey Nix watches a television airing the inauguration at Manuel's Tavern in Atlanta.
— Jessica McGowan / Getty Images
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Biden sits in the Oval Office at the White House after the inauguration.
— Jim Watson / AFP via Getty Images
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Biden and the first lady stand on the Blue Room Balcony as they and family members watch fireworks at the end of a primetime special, "Celebrating America."
— Jim Watson / AFP - Getty Images
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Fireworks light up the sky above the White House to celebrate Biden's inauguration.