People wait to receive the coronavirus disease (COVID-19) vaccine at a vaccination centre inside the Salisbury Cathedral, in Salisbury, Britain January 20, 2021.

U.S. President-elect Joe Biden and Jill Biden arrive at his inauguration on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021. Win McNamee/Pool via REUTERS

Firefighters work after a deadly explosion at a building belonging to the Catholic Church in downtown Madrid, Spain January 20, 2021.

U.S. President Joe Biden and first lady Jill Biden wave at the crowd as they head to the White House after the 2021 inauguration, in Washington, U.S., January 20, 2021.

Rescue workers walk on a road leading to the Hushan gold mine, where workers are trapped underground after the January 10 explosion, in Qixia, Shandong province, China January 21, 2021. REUTERS/Aly Song TPX IMAGES OF THE DAY

People hold posters of Kamala Harris to celebrate after she was sworn in as U.S. Vice President during the inauguration of Joe Biden as the 46th President of the United States, in the village of Thulasendrapuram, where Harris' maternal grandfather was born and grew up, in Tamil Nadu state, India, January 20, 2021.

Colombian migrant Gerson looks at the television as Joe Biden is sworn in as the 46th president of the United States, while cutting the hair of a child, at a local barber shop where he works to make enough money to continue his travel to the U.S., in Tapachula, Mexico January 20, 2021.

President-elect Joe Biden and Vice President Mike Pence, watch as Lady Gaga steps off the stage after performing the National Anthem during the 59th Presidential Inauguration at the U.S. Capitol, in Washington, U.S., January 20, 2021. Andrew Harnik/Pool via REUTERS 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.

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.

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

U.S. President Donald Trump reacts in a car as he drives past supporters in West Palm Beach, Florida, U.S., January 20, 2021.

U.S. President Joe Biden signs executive orders in the Oval Office of the White House in Washington, after his inauguration as the 46th President of the United States, U.S., January 20, 2021.

Tiffany Trump, Donald Trump Jr. and his girlfriend Kimberly Guilfoyle, Eric Trump with his wife Lara, and Ivanka Trump and Jared Kushner pose at Joint Base Andrews, Maryland, U.S., January 20, 2021.

Amanda Gorman recites a poem 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.

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.

Former U.S. President George W. Bush, Speaker of the House Nancy Pelosi, D-Calif., former President Barack Obama and Michelle Obama arrive for the 59th Presidential Inauguration at the U.S. Capitol in Washington, DC, U.S. January 20, 2021. Caroline Brehman/Pool via REUTERS

U.S. Vice President Kamala Harris waves during the Inauguration Day parade for President Joe Biden, in Washington, U.S., January 20, 2021.

U.S. President Donald Trump speaks at Joint Base Andrews, Maryland, U.S., January 20, 2021.

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.

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.

Fireworks are seen above the White House after the inauguration of Joe Biden as the 46th President of the United States in Washington, U.S., January 20, 2021.REUTERS

U.S. President Joe Biden kisses first lady Jill Biden as they stand at the North Portico of the White House, in Washington, U.S., January 20, 2021.

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.

Howard X, an Australian-Chinese impersonating North Korean leader Kim Jong-un gestures as he stands with his inflatable rocket to report for his bail, outside the police station in Hong Kong, China January 20, 2021.

President-elect Joe Biden and his wife Jill Biden arrive for his inauguration as the 46th President of the United States on the West Front of the U.S. Capitol in Washington, U.S., January 20, 2021.

U.S. President Joe Biden delivers remarks at the "Celebrating America" event at the Lincoln Memorial on the National Mall in Washington, after his inauguration as the 46th President of the United States, January 20, 2021.

Dana Clark, middle, holds her son Mason, as she and her son Johnathan Clark, 9, left, sister Mary Young, mother Gaynelle Hawkins, and husband Johnathan Clark watch the ceremonies after the inauguration of President Joe Biden and Vice President Kamala Harris, in Slidell, Louisiana, U.S. January 20, 2021.

A Palestinian boy sits on a bag of flour at an aid distribution center run by the United Nations Relief and Works Agency (UNRWA), amid the coronavirus disease (COVID-19) pandemic, at Beach refugee camp in Gaza City January 14, 2021.

Edwina Rose prays while holding a flag, the bible and the U.S. Constitution on Inauguration Day in Washington, U.S., January 20, 2021.

National Guard personnel wheel riot shields and baggage in hotel luggage carriers after checking out of their hotel in downtown Washington DC, U.S., January 20, 2021.