Kamala Harris bumps fists with U.S. President-elect Joe Biden, after she was sworn in as Vice President of the United States during the inauguration on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool TPX IMAGES OF THE DAY

Joe Biden is sworn in as the 46th President of the United States as his wife Jill Biden holds a bible on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

U.S. President Donald Trump departs next to first lady Melania Trump from the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

U.S. President Donald Trump reacts in a car as he drives past supporters in West Palm Beach, Florida, U.S., January 20, 2021. REUTERS/Marco Bello TPX IMAGES OF THE DAY

From left, President-elect Joe Biden, Jill Biden, Vice President-elect Kamala Harris and Doug Emhoff, arrive at the steps of the U.S. Capitol ahead of the inauguration of President Joe Biden in Washington, DC, U.S. January 20, 2021. Melina Mara/Pool via REUTERS TPX IMAGES OF THE DAY REFILE - CORRECTING PARTICIPANTS

First lady Jill Biden places her hands on U.S. President Joe Biden during the 59th Presidential Inauguration in Washington, U.S., January 20, 2021. Kevin Dietsch/Pool via REUTERS TPX IMAGES OF THE DAY

Joe Biden and his wife Jill Biden kiss after he was sworn in as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

Security personnel are reflected in glass as U.S. Vice President Mike Pence attends the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool TPX IMAGES OF THE DAY

U.S. Vice President-elect Kamala Harris greets former President Barack Obama ahead of the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

U.S. President Donald Trump speaks at Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

The "Field of flags" is seen on the National Mall in front of the U.S. Capitol building ahead of inauguration ceremonies for President-elect Joe Biden in Washington, U.S., January 20, 2021. REUTERS/Allison Shelley TPX IMAGES OF THE DAY

Ivanka Trump and her husband Jared Kushner attend the departure ceremony of U.S. President Donald Trump at Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

American poet Amanda Gorman reads a poem during the 59th Presidential Inauguration at the U.S. Capitol in Washington January 20, 2021. Patrick Semansky/Pool via REUTERS TPX IMAGES OF THE DAY

U.S. Vice President Kamala Harris and her husband Doug Emhoff wave after the inauguration of Joe Biden as the 46th President of the United States, in Washington, U.S., January 20, 2021. REUTERS/Mike Segar TPX IMAGES OF THE DAY

Vice President-elect Kamala Harris and her husband Doug Emhoff arrive for the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jonathan Ernst/Pool TPX IMAGES OF THE DAY

Joe Biden is sworn in as the 46th President of the United States as his wife Jill Biden holds a bible on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021 REUTERS/Jim Bourg TPX IMAGES OF THE DAY

A general view of the Capitol during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Jim Bourg TPX IMAGES OF THE DAY

Lady Gaga sings the National Anthem during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

Social distancing audience during the inauguration of Joe Biden as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. REUTERS/Brendan McDermid TPX IMAGES OF THE DAY

Firefighters work after a deadly explosion at a building belonging to the Catholic Church in downtown Madrid, Spain January 20, 2021. REUTERS/Susana Vera TPX IMAGES OF THE DAY

The Air Force One is seen on the tarmac before the departure ceremony of U.S. President Donald Trump at the Joint Base Andrews, Maryland, U.S., January 20, 2021. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

The office of the White House press secretary sits empty prior to U.S. President Donald Trump's departure ahead of the inauguration ceremony of President-elect Joe Biden, in Washington, U.S. January 20, 2021. REUTERS/Leah Millis TPX IMAGES OF THE DAY

Members of the news media prepare before sunrise for U.S. President Donald Trump's departure ahead of the inauguration ceremony of President-elect Joe Biden, at the White House in Washington, U.S. January 20, 2021. REUTERS/Leah Millis TPX IMAGES OF THE DAY

People wait to receive the coronavirus disease (COVID-19) vaccine at a vaccination centre inside the Salisbury Cathedral, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs TPX IMAGES OF THE DAY

A Palestinian man inspects a damaged house near the border fence with Israel, in central Gaza Strip January 20, 2021. REUTERS/Mohammed Salem TPX IMAGES OF THE DAY

A U.S. Marine opens a door of the West Wing door, an indication that U.S. President Donald Trump is in the Oval Office during his last day in office, in Washington U.S., January 19, 2021. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

People gather around a cross-shaped ice hole during celebrations of the Orthodox Christian feast of Epiphany in Kyiv, Ukraine January 19, 2021. Picture taken with a drone. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY

U.S. President-elect Joe Biden cries as he speaks during an event at Major Joseph R. "Beau" Biden III National Guard/Reserve Center at New Castle County Airport in New Castle, Delaware, U.S. January 19, 2021. REUTERS/Tom Brenner TPX IMAGES OF THE DAY

Soldiers prepare to spray disinfectant at the Taoyuan General Hospital, where a cluster of coronavirus disease (COVID-19) infections was detected, in Taoyuan, Taiwan, January 19, 2021. REUTERS/Ann Wang TPX IMAGES OF THE DAY

U.S. Vice President Mike Pence chats with staff outside of the West Wing of the White House in Washington, U.S., January 19, 2021. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

The Aurora Borealis (Northern Lights) is seen in the sky over Muonio in Lapland, Finland January 18, 2021. Picture taken January 18, 2021. REUTERS/Alexander Kuznetsov TPX IMAGES OF THE DAY

Migrants sit outside the temporary migrants center upon crossing the border fence at Spain's North African enclave of Melilla, Spain January 19, 2021. REUTERS/Jesus Blasco de Avellaneda TPX IMAGES OF THE DAY

Residents of an assisted living facility dance after receiving their booster shots of the vaccination against the coronavirus disease (COVID-19), in Netanya, Israel January 19, 2021. REUTERS/Ronen Zvulun TPX IMAGES OF THE DAY

A person lights a candle by a tribute to the victims of the coronavirus disease (COVID-19) pandemic by the Reflecting Pool at the Hollywood Forever Cemetery during the outbreak of COVID-19, in Los Angeles, California, U.S., January 19, 2021. REUTERS/Mario Anzuoni

National Guard troops gather in front of the U.S. Capitol one day ahead of President-elect Joe Biden's Inauguration in Washington, U.S. January 19, 2021. REUTERS/Mike Segar TPX IMAGES OF THE DAY

A Honduran migrant, who was trying to reach the U.S., helps a child to get on a bus to return home after being sent back by Guatemalan authorities, at El Florido, Honduras, on the border with Guatemala January 19, 2021. REUTERS/Luis Echeverria

Brandon Fitzgerald places an eagle on top of a flag as preparations are made ahead of U.S. President-elect Joe Biden's Presidential Inauguration in front of the White House, in Washington, U.S., January 19, 2021. REUTERS/Callaghan O'Hare TPX IMAGES OF THE DAY

Models wear face masks as they present creations of the 2021/22 winter collection by designer Anja Gockel during a dress rehearsal at Adlon Hotel, as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, January 19, 2021. REUTERS/Fabrizio Bensch TPX IMAGES OF THE DAY

People stand at a vaccination site after receiving a dose of a coronavirus disease (COVID-19) vaccine, during a government-organised visit, following the coronavirus disease (COVID-19) outbreak, in Shanghai, China January 19, 2021. REUTERS/Aly Song

U.S. Speaker of the House Nancy Pelosi (D-CA) stands near a door smashed by rioters who stormed the U.S. Capitol, as she participates in a walk-through of inauguration events at the Capitol in Washington, U.S. January 19, 2021. REUTERS/Erin Scott TPX IMAGES OF THE DAY

A woman walks her dog as the city prepares for potential flooding due to the arrival of Storm Christoph, in Hebden Bridge, Britain, January 19, 2021. REUTERS/Phil Noble TPX IMAGES OF THE DAY

A medical worker in a protective suit walks near the residential area at Jordan, after the expand of mandatory coronavirus disease (COVID-19) testing, in Hong Kong, China January 19, 2021. REUTERS/Tyrone Siu TPX IMAGES OF THE DAY

A supporter of U.S. President-elect Joe Biden rides his board near the White House ahead of Biden's inauguration, in Washington, U.S., January 19, 2021. REUTERS/Eduardo Munoz TPX IMAGES OF THE DAY

Health care workers transport a patient at the Royal London Hospital, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, January 19, 2021. REUTERS/Hannah McKay

The Washington Monument is seen reflected after President-elect Joe Biden hosts a memorial to honor those who died from coronavirus disease (COVID-19), at the reflecting pool at the Lincoln Memorial, in Washington, U.S., January 19, 2021. REUTERS/Callaghan O'Hare TPX IMAGES OF THE DAY

A mahout walks a tusker along a busy road in Colombo, Sri Lanka January 19, 2021. REUTERS/Dinuka Liyanawatte

A boy stands next to his father as they visit a "Hammam", a traditional steam bath, amid the spread of the coronavirus disease (COVID-19) in Najaf, Iraq January 15, 2021. Picture taken January 15, 2021. REUTERS/Alaa Al-Marjani

Soccer Football - Primera A - Final - Boca Juniors v River Plate - Estadio Jose Amalfitani, Buenos Aires, Argentina - January 19, 2021 Boca Juniors players celebrate with the trophy Pool via REUTERS/Agustin Marcarian TPX IMAGES OF THE DAY

People take a dip during celebrations of the Orthodox Christian feast of Epiphany at the Achairsky convent in Omsk Region, Russia January 19, 2021. REUTERS/Alexey Malgavko TPX IMAGES OF THE DAY