A woman receives a dose of the coronavirus disease (COVID-19) vaccine in Bergamo, Italy, March 1, 2021. REUTERS/Flavio Lo Scalzo

People wait to get the coronavirus disease (COVID-19) vaccine in Bergamo, Italy, March 1, 2021. REUTERS/Flavio Lo Scalzo

An ambulance leaves King Edward VII's Hospital, where Britain's Prince Philip was admitted in London, Britain, March 1, 2021. REUTERS/Henry Nicholls

Rosa Maria Esilio, widow of slain Carabinieri military police officer Mario Cerciello Rega, smokes next to Paolo Cerciello Rega, brother of Mario, upon arrival for a hearing in the trial of Gabriel Natale-Hjorth and Finnegan Lee Elder, accused of the killing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

Rosa Maria Esilio, widow of slain Carabinieri military police officer Mario Cerciello Rega, and Paolo Cerciello Rega, brother of Mario, arrive for a hearing in the trial of Gabriel Natale-Hjorth and Finnegan Lee Elder, accused of the killing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

French President Macron, flanked with Total CEO Patrick Pouyanne, French Junior minister for Youth Sarah El Hairy, and French Labour Minister Elisabeth Borne, listen to a presentation during a visit to Industreet in Stains, in the Seine-Saint-Denis region north of Paris, France, March 1, 2021. Thibault Camus/Pool via REUTERS

Lebanese oud maker and player, Nazih Ghadban, plays the oud at his workshop in Ras Baalbeck, Lebanon February 24, 2021. Picture taken February 24, 2021. REUTERS/Aziz Taher

Rosa Maria Esilio, widow of slain Carabinieri military police officer Mario Cerciello Rega, and Paolo Cerciello Rega, brother of Mario, talk with a Carabinieri officer upon arrival for a hearing in the trial of Gabriel Natale-Hjorth and Finnegan Lee Elder, accused of the killing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

Lebanese oud maker and player, Nazih Ghadban, is pictured at his workshop in Ras Baalbeck, Lebanon February 24, 2021. Picture taken February 24, 2021. REUTERS/Aziz Taher

(From L) Communications lead at the Ocean Action Agenda of the World Economic Forum Gemma Parkes, International Institute for Sustainable Development (IISD) senior director energy Peter Wooders, Chair of the fisheries subsidies negotiations at the WTO Colombian Ambassador Santiago Wills, WTO Director-General Ngozi Okonjo-Iweala and WWF International Director General Marco Lambertini pose with an ice sculpture depicting fish during an event by NGOs requesting urgent action to finalize the WTO agreement on ending subsidies that drive overfishing, in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

Lebanese oud maker and player, Nazih Ghadban, scrubs an oud at his workshop in Ras Baalbeck, Lebanon February 24, 2021. Picture taken February 24, 2021. REUTERS/Aziz Taher

Ouds are hanged from the wall at Nazih Ghadban's workshop in Ras Baalbeck, Lebanon February 24, 2021. Picture taken February 24, 2021. REUTERS/Aziz Taher

Lebanese oud maker and player, Nazih Ghadban, works at his oud-making workshop in Ras Baalbeck, Lebanon February 24, 2021. Picture taken February 24, 2021. REUTERS/Aziz Taher

Lebanese oud maker and player, Nazih Ghadban, gestures as he talks at his workshop in Ras Baalbeck, Lebanon February 24, 2021. Picture taken February 24, 2021. REUTERS/Aziz Taher

Rosa Maria Esilio, widow of slain Carabinieri military police officer Mario Cerciello Rega, looks on upon arrival for a hearing in the trial of Gabriel Natale-Hjorth and Finnegan Lee Elder, accused of the killing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

Rosa Maria Esilio, widow of slain Carabinieri military police officer Mario Cerciello Rega, looks on upon arrival for a hearing in the trial of Gabriel Natale-Hjorth and Finnegan Lee Elder, accused of the killing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

Rosa Maria Esilio, widow of slain Carabinieri military police officer Mario Cerciello Rega, holds a photo of her husband upon arrival for a hearing in the trial of Gabriel Natale-Hjorth and Finnegan Lee Elder, accused of the killing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

French President Macron, flanked with Total CEO Patrick Pouyanne, and Industreet director Olivier Riboud, listen to a presentation during a visit to Industreet in Stains, in the Seine-Saint-Denis region north of Paris, France, March 1, 2021. Thibault Camus/Pool via REUTERS

Rosa Maria Esilio, widow of slain Carabinieri military police officer Mario Cerciello Rega, looks on upon arrival for a hearing in the trial of Gabriel Natale-Hjorth and Finnegan Lee Elder, accused of the killing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

French President Macron, flanked with Total CEO Patrick Pouyanne, and French Junior minister for Youth Sarah El Hairy, and French Labour Minister Elisabeth Borne, listen to young people during a visit to Industreet in Stains, in the Seine-Saint-Denis region north of Paris, France, March 1, 2021. Thibault Camus/Pool via REUTERS

Security personnel shut the gate at West Kowloon Magistrates' Courts during a court hearing for pro-democracy activists facing charges related to national security, in Hong Kong, China March 1, 2021. REUTERS/Lam Yik

Police officers stand as supporters of pro-democracy activists facing charges related to national security gather outside West Kowloon Magistrates' Courts, in Hong Kong, China March 1, 2021. REUTERS/Lam Yik

A police officer raises a warning sign as they try to disperse supporters outside West Kowloon Magistrates' Courts where pro-democracy activists face charges related to national security, in Hong Kong, China March 1, 2021. REUTERS/Lam Yik

Americans Gabriel Natale-Hjorth and Finnegan Lee Elder, accused of killing Carabinieri military police officer Mario Cerciello Rega in Rome last year, attend a trial hearing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

American Finnegan Lee Elder, one of two men accused of killing Carabinieri military police officer Mario Cerciello Rega in Rome last year, attends a trial hearing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

American Gabriel Natale-Hjorth, one of two men accused of killing Carabinieri military police officer Mario Cerciello Rega in Rome last year, attends a trial hearing, in Rome, Italy March 1, 2021. Alberto Pizzoli/Pool via REUTERS

A man looks at the 'The Three Graces' by Flemish painter Peter Paul Rubens during the media presentation of the exhibition 'Mythological Passions' at Prado Museum amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 1, 2021. REUTERS/Susana Vera

French President Macron, flanked with French Junior minister for Youth Sarah El Hairy, and French Labour Minister Elisabeth Borne, listen to a youth during a visit to Industreet in Stains, in the Seine-Saint-Denis region north of Paris, France, March 1, 2021. Thibault Camus/Pool via REUTERS

French President Macron, flanked with French Labour Minister Elisabeth Borne, listen to a presentation during a visit to Industreet in Stains, in the Seine-Saint-Denis region north of Paris, France, March 1, 2021. Thibault Camus/Pool via REUTERS

French President Macron, flanked with French Junior minister for Youth Sarah El Hairy, and French Labour Minister Elisabeth Borne, listen to a youth during a visit to Industreet in Stains, in the Seine-Saint-Denis region north of Paris, France, March 1, 2021. Thibault Camus/Pool via REUTERS

People look at two versions of 'Danae' by Italian painter Titian during the media presentation of the exhibition 'Mythological Passions' at Prado Museum amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 1, 2021. REUTERS/Susana Vera

A man looks at the 'The Three Graces' by Flemish painter Peter Paul Rubens during the media presentation of the exhibition 'Mythological Passions' at Prado Museum amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 1, 2021. REUTERS/Susana Vera

A woman attends the media presentation of the exhibition 'Mythological Passions' at Prado Museum amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 1, 2021. REUTERS/Susana Vera

French President Macron gestures as he arrives for a visit to Industreet in Stains, in the Seine-Saint-Denis region north of Paris, France, March 1, 2021. Thibault Camus/Pool via REUTERS

A cameraman films the 'The Three Graces' by Flemish painter Peter Paul Rubens during the media presentation of the exhibition 'Mythological Passions' at Prado Museum amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 1, 2021. REUTERS/Susana Vera

A museum worker sticks out her head before walking past 'The Three Graces' by Flemish painter Peter Paul Rubens during the media presentation of the exhibition 'Mythological Passions' at Prado Museum amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 1, 2021. REUTERS/Susana Vera

Mossos d'Esquadra police officers enter the offices of FC Barcelona in Barcelona, Spain, March 1, 2021. REUTERS/Albert Gea

Mossos d'Esquadra police officers arrive at the offices of FC Barcelona in Barcelona, Spain, March 1, 2021. REUTERS/Albert Gea

Albanian Prime Minister Edi Rama arrives for an EU - Albania Association Council meeting with the High Representative of the European Union for Foreign Affairs and Security Policy, at the EU headquarters in Brussels, Belgium March 1, 2021. John Thys/Pool via REUTERS

Albanian Prime Minister Edi Rama arrives for an EU - Albania Association Council meeting with the High Representative of the European Union for Foreign Affairs and Security Policy, at the EU headquarters in Brussels, Belgium March 1, 2021. John Thys/Pool via REUTERS

People talk outside the offices of FC Barcelona in Barcelona, Spain, March 1, 2021. REUTERS/Albert Gea

A woman enters the offices of FC Barcelona in Barcelona, Spain, March 1, 2021. REUTERS/Albert Gea

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Italy's Edwin Coratti in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Italy's Mirko Felicetti in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Austria's Alexander Payer in action REUTERS/Borut Zivulovic

Aquatic birds are seen in water, in Ammiq at Lebanon's Bekaa valley, February 24, 2021. Picture taken February 24, 2021. REUTERS/Aziz Taher

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Italy's Aaron March in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Russia's Dmitry Loginov in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Russia's Igor Sluev in action REUTERS/Borut Zivulovic

Blossoming flowers and trees are seen in Ammiq in Lebanon's Bekaa valley, February 24, 2021. Picture taken February 24, 2021. REUTERS/Aziz Taher

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala speaks with Chair of the WTO General Council Ambassador David Walker during a session at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

The Iranian flag waves in front of the International Atomic Energy Agency (IAEA) headquarters, before the beginning of a board of governors meeting, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Austria's Andreas Prommegger in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Poland's Oskar Kwiatkowski in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 South Korea's Sang-ho Lee in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Russia's Andrey Sobolev in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Italy's Roland Fischnaller in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Men's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Poland's Michal Nowaczyk in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Women's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Poland's Aleksandra Krol in action REUTERS/Borut Zivulovic

Snowboarding - FIS Snowboard Alpine World Championship - Women's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Austria's Sabine Schoffmann in action REUTERS/Borut Zivulovic