Reverend Al Sharpton, surrounded by family members of George Floyd and politicians, leads a prayer session outside the Hennepin County Government Center during the closing arguments in the murder trial of former police officer Derek Chauvin, who is facing murder charges in the death of George Floyd, in Minneapolis, Minnesota, U.S., April 19, 2021.

Migrant families wait to be escorted by a local church group to the location where they turn themselves in to the U.S. Border Patrol after crossing the Rio Grande into the United States from Mexico, in Roma, Texas, U.S., April 20, 2021.

Teachers and school staff queue to receive a dose of the CanSino coronavirus disease (COVID-19) vaccine, during a mass vaccination program at the Autonomous University of Coahuila, in Arteaga, Mexico April 20, 2021.

A peacock shows its plumage as part of a courtship display while a pigeon feeds nearby at a park in London, Britain April 20, 2021.

South Korea university students gets their heads shaved during a protest against Japan?s decision to release contaminated water from its crippled Fukushima nuclear plant into the sea, in front of the Japanese embassy, in Seoul, South Korea, April 20, 2021.

An image of George Floyd hangs from a necklace worn by a family member after a prayer session outside the Hennepin County Government Center during the closing arguments in the murder trial of former police officer Derek Chauvin, who is facing murder charges in the death of George Floyd, in Minneapolis, Minnesota, U.S., April 19, 2021.

An aerial view of the Srebrenica-Potocari Genocide Memorial Center in Bosnia and Herzegovina April 16, 2021.

A man wearing accessories with cannabis leaf patterns attends a demonstration to mark the informal cannabis holiday, 4/20, in Hyde Park, London, Britain, April 20, 2021.

A girl carries a knife during a scuffle at a demonstration to mark the informal cannabis holiday, 4/20, in Hyde Park, London, Britain, April 20, 2021.

Residents walk home along a highway during the extended curfew to curb the spread of the coronavirus disease (COVID-19), in the outskirts of Nairobi, Kenya April 20, 2021.

A health worker wears personal protective equipment (PPE) prior to conducting swab tests in a household where coronavirus disease (COVID-19) positive cases have been recorded, in Quezon City, Metro Manila, Philippines, April 20, 2021.

A staff member gives a video tour of an art installation in the form of a pharmacy where everything is made out of felt to a customer, using a phone, in London, Britain, April 19, 2021.

A boy runs during a dust storm at the Qargha Lake, on the outskirts of Kabul, Afghanistan April 20, 2021.

A Yemeni government fighter fires a vehicle-mounted weapon at a frontline position during fighting against Houthi fighters in Marib, Yemen March 9, 2021.

Canada's Prime Minister Justin Trudeau waits to cross the street before a news conference amid the outbreak of the coronavirus disease (COVID-19) in Ottawa, Ontario, Canada, April 20, 2021.

Central American migrants play with a ball inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021.

A woman mourns with her son after her husband died due to the coronavirus disease (COVID-19) outside a mortuary of a COVID-19 hospital in Ahmedabad, India, April 20, 2021.

Former Minneapolis police officer Derek Chauvin is led away in handcuffs after a jury found him guilty of all charges in his trial for second-degree murder, third-degree murder and second-degree manslaughter in the death of George Floyd in Minneapolis, Minnesota, U.S. April 20, 2021 in a still image from video. Pool via REUTERS

A person reacts after the verdict in the trial of former Minneapolis police officer Derek Chauvin, found guilty of the death of George Floyd, in front of Hennepin County Government Center, in Minneapolis, Minnesota, U.S., April 20, 2021.

People react after the verdict in the trial of former Minneapolis police officer Derek Chauvin, found guilty of the death of George Floyd, at George Floyd Square in Minneapolis, Minnesota, U.S., April 20, 2021.

A squirrel crosses the Cherry Alley at Bispebjerg Cemetery amid the coronavirus disease (COVID-19) outbreak in Copenhagen, Denmark April 20, 2021. Mads Claus Rasmussen/Ritzau Scanpix/via REUTERS

A migrant worker passes his son through a bus window as they return to their village, after Delhi government ordered a six-day lockdown to limit the spread of the coronavirus disease (COVID-19), in Ghaziabad on the outskirts of New Delhi, India, April 20, 2021.

A woman places a candle at a makeshift memorial with the image of Daunte Wright after the verdict in the trial of former Minneapolis police officer Derek Chauvin, found guilty of the death of George Floyd, in New York City, New York, U.S., April 20, 2021.

People react after the verdict in the trial of former Minneapolis police officer Derek Chauvin, found guilty of the death of George Floyd, at George Floyd Square in Minneapolis, Minnesota, U.S., April 20, 2021.

People react after the verdict in the trial of former Minneapolis police officer Derek Chauvin, found guilty of the death of George Floyd, in front of Hennepin County Government Center, in Minneapolis, Minnesota, U.S., April 20, 2021.

A South Korea university student gets her head shaved during a protest against Japan?s decision to release contaminated water from its crippled Fukushima nuclear plant into the sea, in front of the Japanese embassy, in Seoul, South Korea, April 20, 2021.

A person wearing a protective suit looks out from a window as opera singer performs the first act of Giacomo Puccini's famed romance opera 'La Boheme' outside the La Scala theatre as part of a protest against the entertainment sector's crisis caused by the coronavirus disease (COVID-19) pandemic and restrictions, in Milan, Italy April 20, 2021.

Smoke shrouded trees are seen, as a bushfire burns on the slopes of Table Mountain in Cape Town, South Africa, April 20, 2021.