A police officer stands guard, while Indigenous Brazilians protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Police officers stand guard, while Indigenous Brazilians protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Members of the security stand guard around Villa La Grange during the U.S.-Russia summit, in Geneva, Switzerland, June 16, 2021. REUTERS/Denis Balibouse/Pool

Security personnel guards Russian presidential limousines next to the airplane of Russian President Vladimir Putin, ahead of U.S. - Russia summit, on Geneva Airport Cointrin, Switzerland, June 16, 2021. Martial Trezzini/Pool via REUTERS

Security personnel guards the Russian presidential airplane carrying Russian President Vladimir Putin shortly after landing ahead of U.S. - Russia summit, on Geneva Airport Cointrin, Switzerland, June 16, 2021. Martial Trezzini/Pool via REUTERS

Police officers stand guard at the gate of Villa La Grange ahead of the U.S.-Russia summit, in Geneva, Switzerland, June 16, 2021. REUTERS/Denis Balibouse

Police officers stand guard as protesters demonstrate in front of the parliament during a 24-hour strike ahead of a parliamentary vote on a new labour bill, in Athens, Greece, June 16, 2021. REUTERS/Alkis Konstantinidis

A Swiss guard wearing a protective mask is seen as Pope Francis holds the weekly general audience at the San Damaso courtyard, amid the coronavirus disease (COVID-19) pandemic, at the Vatican June 16, 2021. REUTERS/Guglielmo Mangiapane

A sign for Peru's presidential candidate Keiko Fujimori is seen as police officers stand guard, in Lima, Peru June 15, 2021. REUTERS/Sebastian Castaneda

Soldiers stand guard at the scene where a freight train derailed onto houses in the rural area of San Isidro Mazatepec, in Jalisco state, Mexico June 15, 2021. REUTERS/Fernando Carranza

Members of the National Guard and train crew members are seen at the scene where a freight train derailed onto houses in the rural area of San Isidro Mazatepec, in Jalisco state, Mexico June 15, 2021. REUTERS/Fernando Carranza

Members of the National Guard and train crew members are seen at the scene where a freight train derailed onto houses in the rural area of San Isidro Mazatepec, in Jalisco state, Mexico June 15, 2021. REUTERS/Fernando Carranza

Police officers stand guard as supporters of Peru's presidential candidate Keiko Fujimori gather in Lima, Peru June 15, 2021. REUTERS/Sebastian Castaneda

Lithuanian Prime Minister Ingrida Simonyte speaks to media as she visits Lithuanian border guard school in Dubiciai, Lithuania June 15, 2021. REUTERS/Ints Kalnins

Lithuanian border guard insignia is seen on officer's uniform in Pabrade, Lithuania June 15, 2021. REUTERS/Ints Kalnins

Commander of Lithuanian state border guard service Rustamas Liubajevas speaks to media in Dubiciai, Lithuania June 15, 2021. REUTERS/Ints Kalnins

Lithuanian Prime Minister Ingrida Simonyte speaks to media as she visits Lithuanian border guard school in Dubiciai, Lithuania June 15, 2021. REUTERS/Ints Kalnins

Border guards Gintaras Dicevicius and Tomas Tracevicius use thermovision devices to control Lithuania-Belarus border near Adutiskis, Lithuania June 15, 2021. REUTERS/Ints Kalnins

Lithuanian and European Union flags flutter at Lithuanian border guards unit headquarters near Adutiskis, Lithuania June 15, 2021. REUTERS/Ints Kalnins

Border guards Gintaras Dicevicius and Tomas Tracevicius look on at the tower at Lithuania-Belarus border near Adutiskis, Lithuania June 15, 2021. REUTERS/Ints Kalnins

Lithuanian Prime Minister Ingrida Simonyte speaks to media as she visits Lithuanian border guard school in Dubiciai, Lithuania June 15, 2021. REUTERS/Ints Kalnins

An Israeli police officer stands guard at Damascus Gate amid tension ahead of a flag-waving procession by far-right Israeli groups, just outside Jerusalem's Old City,  June 15, 2021. REUTERS/Ammar Awad

An officer stands guard next to Air Force One at Cointrin airport as U.S. President Joe Biden arrives ahead of a meeting with his Russian counterpart Vladimir Putin in Geneva, Switzerland, June 15, 2021. REUTERS/Denis Balibouse/Pool

A security guard walks near EU and U.S. flags, before the EU-US summit, in Brussels, Belgium June 15, 2021. REUTERS/Yves Herman

Border guards Gintaras Dicevicius and Tomas Tracevicius use thermovision devices to control Lithuania-Belarus border near Adutiskis, Lithuania June 14, 2021. Picture taken June 14, 2021. REUTERS/Ints Kalnins

Security officers stand guard next to Olympic Rings monument during an anti-Olympics rally outside the Japan Olympic Committee (JOC) headquarters near the National Stadium, the main stadium for the 2020 Tokyo Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, June 14, 2021. REUTERS/Issei Kato

Police officers stand guard during an anti-lockdown and anti-vaccine protest, amid the coronavirus disease (COVID-19) pandemic, in London, Britain, June 14, 2021. REUTERS/Henry Nicholls

Police officers stand guard during an anti-lockdown and anti-vaccine protest, amid the coronavirus disease (COVID-19) pandemic, outside Downing Street, London, Britain, June 14, 2021. REUTERS/Henry Nicholls

Police officers stand guard during an anti-lockdown and anti-vaccine protest, amid the coronavirus disease (COVID-19) pandemic, outside Downing Street, London, Britain, June 14, 2021. REUTERS/Henry Nicholls

Police officers stand guard during an anti-lockdown and anti-vaccine protest, amid the coronavirus disease (COVID-19) pandemic, outside Downing Street, London, Britain, June 14, 2021. REUTERS/Henry Nicholls

Swiss army soldiers and diplomatic police stand guard outside the Russian Mission ahead of the June 16 summit in the Swiss city between U.S. President Joe Biden and Russian President Vladimir Putin in Geneva, Switzerland, June 14, 2021. REUTERS/Denis Balibouse

Swiss army soldiers stand guard outside the Russian Mission ahead of the June 16 summit in the Swiss city between U.S. President Joe Biden and Russian President Vladimir Putin in Geneva, Switzerland, June 14, 2021. REUTERS/Denis Balibouse

Swiss army soldiers stand guard outside the Russian Mission ahead of the June 16 summit in the Swiss city between U.S. President Joe Biden and Russian President Vladimir Putin in Geneva, Switzerland, June 14, 2021. REUTERS/Denis Balibouse

Security officers stand guard next to Olympic Rings monument during an anti-Olympics rally outside the Japan Olympic Committee (JOC) headquarters near the National Stadium, the main stadium for the 2020 Tokyo Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, June 14, 2021. REUTERS/Issei Kato

A security officer stands guard near a placard with a photo of IOC Coordination Commission Chairman John Coates during an anti-Olympics rally outside the Japan Olympic Committee (JOC) headquarters near the National Stadium, the main stadium for the 2020 Tokyo Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, June 14, 2021. REUTERS/Issei Kato

Austrian President Alexander Van der Bellen and South Korea's President Moon Jae-in review the guard of honour in Vienna, Austria June 14, 2021. REUTERS/Leonhard Foeger

Austrian President Alexander Van der Bellen and South Korea's President Moon Jae-in review the guard of honour in Vienna, Austria June 14, 2021. REUTERS/Leonhard Foeger

Austrian President Alexander Van der Bellen and South Korea's President Moon Jae-in review the guard of honour in Vienna, Austria June 14, 2021. REUTERS/Leonhard Foeger

Police officers stand guard, while Indigenous Brazilians protest their country hosting soccer Copa America tournament amid the coronavirus disease (COVID-19) pandemic and against Brazilian President Jair Bolsonaro, in Brasilia, Brazil, June 13, 2021. REUTERS/Adriano Machado

Police officers stand guard, while Indigenous Brazilians protest their country hosting soccer Copa America tournament amid the coronavirus disease (COVID-19) pandemic and against Brazilian President Jair Bolsonaro, in Brasilia, Brazil, June 13, 2021. REUTERS/Adriano Machado

Police officers stand guard, while Indigenous Brazilians protest their country hosting soccer Copa America tournament amid the coronavirus disease (COVID-19) pandemic and against Brazilian President Jair Bolsonaro, in Brasilia, Brazil, June 13, 2021. REUTERS/Adriano Machado

U.S. President Joe Biden inspects a Guard of Honour after arriving to meet Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Steve Parsons/Pool via REUTERS

Members of the Royal Guard march during U.S. President Joe Biden and first lady Jill Biden meeting with Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, June 13, 2021. Chris Jackson/Pool via REUTERS

Members of the Royal Guard stand during U.S. President Joe Biden and first lady Jill Biden meeting with Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, June 13, 2021. Chris Jackson/Pool via REUTERS

U.S. President Joe Biden walks next to members of the Guard of Honour as he attends a meeting with Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Arthur Edwards/Pool via REUTERS

U.S. President Joe Biden walks next to members of the Guard of Honour as he attends a meeting with Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Arthur Edwards/Pool via REUTERS

U.S. President Joe Biden walks next to members of the Guard of Honour as he attends a meeting with Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Arthur Edwards/Pool via REUTERS

U.S. President Joe Biden, first lady Jill Biden and Britain's Queen Elizabeth stand in front of the Royal Guard, at Windsor Castle in Windsor, Britain, June 13, 2021. David Rose/Pool via REUTERS

U.S. President Joe Biden and Britain's Queen Elizabeth stand in front of the Royal Guard, at Windsor Castle in Windsor, Britain, June 13, 2021. David Rose/Pool via REUTERS

U.S. President Joe Biden, first lady Jill Biden and Britain's Queen Elizabeth stand in front of the Royal Guard, at Windsor Castle in Windsor, Britain, June 13, 2021. David Rose/Pool via REUTERS

Members of the Royal Guard stand during U.S. President Joe Biden and first lady Jill Biden meeting with Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, June 13, 2021. Chris Jackson/Pool via REUTERS

Members of the Royal Guard march during U.S. President Joe Biden and first lady Jill Biden meeting with Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, June 13, 2021. Chris Jackson/Pool via REUTERS

U.S. President Joe Biden inspects a Guard of Honour after arriving to meet Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Richard Pohle/Pool via REUTERS

U.S. President Joe Biden inspects a Guard of Honour after arriving to meet Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Richard Pohle/Pool via REUTERS

U.S. President Joe Biden inspects a Guard of Honour after arriving to meet Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Matt Dunham/Pool via REUTERS

U.S. President Joe Biden inspects a Guard of Honour after arriving to meet Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Matt Dunham/Pool via REUTERS

Members of the Royal Guard march during U.S. President Joe Biden and first lady Jill Biden meeting with Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, June 13, 2021. Chris Jackson/Pool via REUTERS

U.S. President Joe Biden inspects a Guard of Honour after arriving to meet Britain's Queen Elizabeth at Windsor Castle, in Windsor, Britain, June 13, 2021. Matt Dunham/Pool via REUTERS

Members of the Royal Guard stand during U.S. President Joe Biden and first lady Jill Biden visit to Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, June 13, 2021. Chris Jackson/Pool via REUTERS

Members of the Royal Guard stand during U.S. President Joe Biden and first lady Jill Biden visit to Britain's Queen Elizabeth, at Windsor Castle in Windsor, Britain, June 13, 2021. Chris Jackson/Pool via REUTERS