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

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

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

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi adjusts his glasses as he waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

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

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

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

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

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

Snowboarding - FIS Snowboard Alpine World Championship - Women's Parallel Giant Slalom - Rogla, Slovenia - March 1, 2021 Germany's Ramona Theresia Hofmeister in action REUTERS/Borut Zivulovic

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

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

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

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala walks at the entrance of the WTO following a photo-op upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

International Atomic Energy Agency (IAEA) Director General Rafael Grossi waits for the beginning of a board of governors meeting at the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

An Emirates Airline aircraft flies over Cortina d'Ampezzo during the coronavirus disease (COVID-19) outbreak, Italy, February 19, 2021. Picture taken February 19, 2021. REUTERS/Denis Balibouse

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

The logo of the International Atomic Energy Agency (IAEA) is seen outside the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

Bavarian Prime Minister Markus Soeder and Saxony’s Prime Minister Michael Kretschmer present their ‘Covid-Alliance’ and 10-Point-Plan in Munich, Germany, March 1, 2021. Peter Kneffel/Pool via REUTERS

Bavarian Prime Minister Markus Soeder and Saxony’s Prime Minister Michael Kretschmer present their ‘Covid-Alliance’ and 10-Point-Plan in Munich, Germany, March 1, 2021. Peter Kneffel/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala walks at the entrance of the WTO following a photo-op upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

A flag with the logo of the International Atomic Energy Agency (IAEA) waves in front of the IAEA headquarters, amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, March 1, 2021. REUTERS/Lisi Niesner

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala and Chair of the WTO General Council Ambassador David Walker walk thru the empty assembly room for a virtual session of the general council upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS