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

Shoe covers of a lady officer are seen while she was walks inside the airport as Sri Lanka's government scheduled to reopen the country's airports for tourists from January 21, 2021, as they were closed since March 2020 due to spread of coronavirus disease (COVID-19), at Bandaranaike International Airport in Katunayake, Sri Lanka January 20, 2021. REUTERS/Dinuka Liyanawatte

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Germany's Romed Baumann in action during training REUTERS/Leonhard Foeger

Medical staff work at a vaccination centre inside the Salisbury Cathedral, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs

Medical staff work at a vaccination centre inside the Salisbury Cathedral, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs

Medical staff work at a vaccination centre inside the Salisbury Cathedral, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs

Medical staff work at a vaccination centre inside the Salisbury Cathedral, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Germany's Manuel Schmid in action during training REUTERS/Leonhard Foeger

People wear protective masks at the coronavirus disease (COVID-19) vaccination centre inside the Salisbury Cathedral, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs

State Minister for Migration, Refugees and Integration Annette Widmann-Mauz wears a mask as she arrives to attend a news conference, after a meeting with German Chancellor Angela Merkel, at the Chancellery in Berlin, Germany, January 20, 2021. REUTERS/Fabrizio Bensch/Pool

State Minister for Migration, Refugees and Integration Annette Widmann-Mauz attends a news conference, after a meeting with German Chancellor Angela Merkel, at the Chancellery in Berlin, Germany, January 20, 2021. REUTERS/Fabrizio Bensch/Pool

A general view inside the coronavirus disease (COVID-19) vaccination centre in the Salisbury Cathedral, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Austria's Daniel Danklmaier in action during training REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Germany's Josef Ferstl in action during training REUTERS/Leonhard Foeger

State Minister for Migration, Refugees and Integration Annette Widmann-Mauz speaks during a news conference, after a meeting with German Chancellor Angela Merkel, at the Chancellery in Berlin, Germany, January 20, 2021. REUTERS/Fabrizio Bensch/Pool

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 France's Nils Allegre in action during training REUTERS/Leonhard Foeger

Medical staff work at a vaccination centre inside the Salisbury Cathedral, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs

People sit at vaccination booths 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

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Germany's Dominik Schwaiger in action during training REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 France's Adrien Theaux in action during training REUTERS/Leonhard Foeger

German Chancellor Angela Merkel leaves after a meeting with State Minister for Migration, Refugees and Integration Annette Widmann-Mauz at the Chancellery in Berlin, Germany, January 20, 2021. REUTERS/Fabrizio Bensch/Pool

German Chancellor Angela Merkel and State Minister for Migration, Refugees and Integration Annette Widmann-Mauz leave after a meeting at the Chancellery in Berlin, Germany, January 20, 2021. REUTERS/Fabrizio Bensch/Pool

People sit at vaccination booths 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

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Austria's Hannes Reichelt in action during training REUTERS/Leonhard Foeger

European Council President Charles Michel addresses European lawmakers during a plenary session on the inauguration of the new President of the United States and the current political situation, at the European Parliament in Brussels, Belgium, January 20, 2021. Francisco Seco/Pool via REUTERS

European Council President Charles Michel addresses European lawmakers during a plenary session on the inauguration of the new President of the United States and the current political situation, at the European Parliament in Brussels, Belgium, January 20, 2021. Francisco Seco/Pool via REUTERS

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Italy's Matteo Marsaglia in action during training REUTERS/Leonhard Foeger

European Commission President Ursula Von Der Leyen addresses European lawmakers during the presentation of the programme of activities of the Portuguese Presidency on a plenary session at the European Parliament in Brussels, Belgium, January 20, 2021. Francisco Seco/Pool via REUTERS

European Commission President Ursula Von Der Leyen addresses European lawmakers during the presentation of the programme of activities of the Portuguese Presidency on a plenary session at the European Parliament in Brussels, Belgium, January 20, 2021. Francisco Seco/Pool via REUTERS

Olympic sailing champion Sofia Bekatorou leaves the prosecutor's office, following her statements on being sexually assaulted by a sports official in 1998, in Athens, Greece, January 20, 2021. REUTERS/Alkis Konstantinidis

Olympic sailing champion Sofia Bekatorou leaves the prosecutor's office, following her statements on being sexually assaulted by a sports official in 1998, in Athens, Greece, January 20, 2021. REUTERS/Alkis Konstantinidis

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

Portuguese Prime Minister Antonio Costa addresses European lawmakers during the presentation of the programme of activities of the Portugal's Presidency on a plenary session at the European Parliament in Brussels, Belgium January 20, 2021. Francisco Seco/Pool via REUTERS

Portuguese Prime Minister Antonio Costa addresses European lawmakers during the presentation of the programme of activities of the Portugal's Presidency on a plenary session at the European Parliament in Brussels, Belgium January 20, 2021. Francisco Seco/Pool via REUTERS

Portuguese Prime Minister Antonio Costa addresses European lawmakers during the presentation of the programme of activities of the Portugal's Presidency on a plenary session at the European Parliament in Brussels, Belgium January 20, 2021. Francisco Seco/Pool via REUTERS

Portuguese Prime Minister Antonio Costa listens to European Commission President Ursula Von Der Leyen as she addresses European lawmakers during the presentation of the programme of activities of the Portugal's Presidency on a plenary session at the European Parliament in Brussels, Belgium January 20, 2021. Francisco Seco/Pool via REUTERS

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Bryce Bennett of the U.S. in action during training REUTERS/Leonhard Foeger

Portuguese Prime Minister Antonio Costa addresses European lawmakers during the presentation of the programme of activities of the Portugal's Presidency on a plenary session at the European Parliament in Brussels, Belgium January 20, 2021. Francisco Seco/Pool via REUTERS

Portuguese Prime Minister Antonio Costa addresses European lawmakers during the presentation of the programme of activities of the Portugal's Presidency on a plenary session at the European Parliament in Brussels, Belgium January 20, 2021. Francisco Seco/Pool via REUTERS

People wait in line 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

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 France's Johan Clarey in action during training REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Slovenia's Martin Cater in action during training REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Ryan Cochran-SiegleÊof the U.S. in action during training REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Norway's Kjetil Jansrud in action during training REUTERS/Leonhard Foeger

People wait in line 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

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Germany's Andreas Sander in action during training REUTERS/Leonhard Foeger

New residential buildings under construction are seen in Umraniye district in Istanbul, Turkey January 18, 2021. Picture taken January 18, 2021. REUTERS/Murad Sezer

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 France's Maxence Muzaton in action during training REUTERS/Leonhard Foeger

People wait in line 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

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Italy's Christof Innerhofer in action during training REUTERS/Leonhard Foeger

A woman wears a protective mask as 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

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Austria's Vincent Kriechmayr in action during training REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Switzerland's Carlo Janka in action during training REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Austria's Max Franz in action during training REUTERS/Leonhard Foeger

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

A general view inside the Salisbury Cathedral as people wait to receive the coronavirus disease (COVID-19) vaccine at a vaccination centre, in Salisbury, Britain January 20, 2021. REUTERS/Paul Childs

Britain's Secretary of State for Digital, Culture, Media and Sport Oliver Dowden arrives at Downing Street in London, Britain, January 20, 2021. REUTERS/Henry Nicholls

People queue to receive the coronavirus disease (COVID-19) vaccine, at the St Charles Centre for Health and Wellbeing in London, Britain, January 20, 2021. REUTERS/Hannah McKay

People queue to receive the coronavirus disease (COVID-19) vaccine, at the St Charles Centre for Health and Wellbeing in London, Britain, January 20, 2021. REUTERS/Hannah McKay

Alpine Skiing - Men's Downhill Training - Kitzbuehel, Austria - January 20, 2021 Switzerland's Urs Kryenbuehl in action during training REUTERS/Leonhard Foeger