A man sets himself on fire during protest rallies in front of the presidential office in Kiev, Ukraine on February 26, 2020. The man, who called himself Oleksandr Burlakov, said subsequently that his motive was to draw the attention of the authorities to his plight, related to the ownership of the land parcel. (Photo by Ihor Behus/Reuters)

A journalist (R) is attacked by residents who are trying to prevent migrants from disembarking on the Greek island of Lesbos, on March 1, 2020. The United Nation called on March 1 for calm and urged states to refrain from “excessive” force, as thousands of migrants have flooded to Turkey's border with Greece in a bid to enter the EU. A massive influx of migrants swelled along the border over the weekend after Turkey's President Recep Tayyip Erdogan threatened to open its frontier to Europe as tensions mount over its deepening conflict in Syria. (Photo by AFP Photo/Stringer)

An Iraqi medic takes a nasal swab from a woman in Iraq's central shrine city of Najaf on April 20, 2020, during the nationwide lockdown to stem the spread of the novel coronavirus. (Photo by Haidar Hamdani/AFP Photo)

A PSE&G utility worker watches the Navy's Blue Angels and the Air Force's Thunderbirds conduct “a collaborative salute” to honor those battling the COVID-19 pandemic with a flyover of New York and New Jersey, Tuesday, April 28, 2020, in this view from Jersey City, N.J. (Photo by Charles Sykes/Invision/AP Photo)

Mothers-to-be show their belly paintings in Hefei, east China's Anhui province on May 8, 2020. (Photo by Rex Features/Shutterstock/China Stringer Network)

A protester poses for photos next to a burning police vehicle in Los Angeles, Saturday, May 30, 2020, during a demonstration over the death of George Floyd. a black man who was killed in police custody in Minneapolis on May 25. (Photo by Ringo H.W. Chiu/AP Photo)

A man raises his fist as a group of Black Lives Matter marchers approached Brooklyn's Grand Army Plaza ast the beginning of a Caribbean-led rally, Sunday, June 14, 2020, in New York. Protests have grown since the May 25th death of George Floyd, a black man who died inn police custody in Minneapolis after a white police officer pressed his knee into Floyd's neck for nearly nine minutes. (Photo by Kathy Willens/AP Photo)

A protester is taken away by police during an electoral campaign closing rally of Spain's far-right party VOX in Madrid, Spain on April 26, 2019. (Photo by Juan Medina/Reuters)