People wearing protective face masks ride their bikes as police officers stand guard during a protest against the death in Minneapolis police custody of George Floyd, in New York City, New York, U.S., June 4, 2020. REUTERS/Eduardo Munoz?

Demonstrator wearing a face shield over her face mask due to the coronavirus disease (COVID-19) outbreak, holds a sign during a Black Lives Matter rally protesting the death in Minneapolis police custody of George Floyd and the deaths of Kendrec McDade, Leroy Barnes and JR Thomas by Pasadena police, outside the Pasadena Police Department in Pasadena, California June 4, 2020. REUTERS/Mario Anzuoni

A woman wearing a protective face shield and mask tries on clothes into a Desigual store, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, June 4, 2020. REUTERS/Nacho Doce

A demonstrator wearing a face mask stands in front of police officers during a protest against the death in Minneapolis police custody of George Floyd, in New York City, New York, U.S., June 4, 2020. REUTERS/Eduardo Munoz

Critical care registered nurse Hengameh Pourkarim wears a protective face mask as protests continue on the streets near the White House over the death in police custody of George Floyd, in Washington, U.S., June 4, 2020. REUTERS/Erin Scott

A woman wears a protective face mask as she holds a bouquet of flowers at a public memorial after the death in Minneapolis police custody of George Floyd in the Brooklyn borough of New York City, New York, U.S., June 4, 2020. REUTERS/Jeenah Moon TPX IMAGES OF THE DAY

People wear protective face masks as they attend a public memorial after the death in Minneapolis police custody of George Floyd in the Brooklyn borough of New York City, New York, U.S., June 4, 2020. REUTERS/Andrew Kelly TPX IMAGES OF THE DAY

A woman wears a protective face mask with a message reading "Black Lives Matter" as she attends a public memorial after the death in Minneapolis police custody of George Floyd in the Brooklyn borough of New York City, New York, U.S., June 4, 2020. REUTERS/Andrew Kelly

U.S. Army veteran Harry Wiggins wears a protective face mask and carries an American flag as protests continue on the streets near the White House over the death in police custody of George Floyd, in Washington, U.S., June 4, 2020. REUTERS/Erin Scott

A woman wearing a face mask cries outside the memorial service for George Floyd following his death in Minneapolis police custody, in Minneapolis, U.S., June 4, 2020. REUTERS/Leah Millis

People wear protective face masks as they attend a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

A man wearing a protective face mask to prevent the spread of the coronavirus disease (COVID-19) walks next to a closed Airlines flight office in Cairo, Egypt June 4, 2020. REUTERS/Amr Abdallah Dalsh

Andalusian regional president Juan Manuel Moreno wearing a protective face mask leaves after a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

People wearing protective face masks drink takeaway coffee outside Costa Coffee as Egypt ramps up efforts to slow the spread of the coronavirus disease (COVID-19), in Cairo, Egypt June 4, 2020. REUTERS/Amr Abdallah Dalsh

Members of the orchestra and choir of the University of Seville wear protective face masks as they take part in a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

A woman wearing a face mask attends a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

A woman wearing a face mask attends a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

A woman wearing a face mask attends a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

People wearing face masks hold hands during a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

People hold banners as they hold a vigil for George Floyd and protest against the widespread racism that migrant workers face in Lebanon, outside the American University of Beirut, Lebanon June 4, 2020. REUTERS/Aziz Taher

People wear protective face masks as they attend a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

A woman holds banners during a vigil for George Floyd and protest against the widespread racism that migrant workers face in Lebanon, outside the American University of Beirut, Lebanon June 4, 2020. REUTERS/Aziz Taher

People hold a vigil for George Floyd and protest against the widespread racism that migrant workers face in Lebanon, outside the American University of Beirut, Lebanon June 4, 2020. REUTERS/Aziz Taher

People wear protective face masks as they attend a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

Acolytes wear protective face masks as they attend a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

Acolytes wear protective face masks as they attend a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

Andalusian regional president Juan Manuel Moreno wears a protective face mask as he attends a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

Andalusian regional president Juan Manuel Moreno wears a protective face mask as he attends a funeral mass for the coronavirus disease (COVID-19) victims at the cathedral in Seville, Spain, June 4, 2020. REUTERS/Jon Nazca

A street promoter dressed in a cow costume with a protective face mask gives away flyers amid the outbreak of the coronavirus disease (COVID-19) in central Kiev, Ukraine June 4, 2020. REUTERS/Gleb Garanich

A woman wearing a painted protective face mask during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A woman wearing a protective face mask holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A woman wearing a protective face mask holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

People wearing protective face masks are seen with a sign on the window ledge of a building during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A man wearing a protective face mask during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A woman wearing a protective face mask holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A man wearing a protective face mask and gloves holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A woman wearing a protective face mask and gloves holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A man wearing a protective face mask to prevent the spread of the coronavirus disease (COVID-19) walks next to a wall with an image of the Great Pyramids painted on it, in Cairo, Egypt June 4, 2020. REUTERS/Amr Abdallah Dalsh

A woman wearing a protective face mask holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A man wearing a protective face mask to prevent the spread of the coronavirus disease (COVID-19) walks next to a wall with pharaonic images painted on it in Cairo, Egypt June 4, 2020. REUTERS/Amr Abdallah Dalsh

A woman wearing a protective face mask and gloves holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A woman wearing a protective face mask holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

Director of the Centers for Disease Control and Prevention Robert Redfield removes his face mask at a hearing on COVID-19 response held by the House subcommittee on Labor, Health and Human Services, Education, and Related Agencies, on Capitol Hill in Washington, D.C., U.S., June 4, 2020. Tasos Katopodis/Pool via REUTERS

A man wearing a protective face mask is seen an empty office building in Lujiazui financial district in Pudong, in Shanghai, following the coronavirus disease (COVID-19) outbreak, China June 4, 2020. REUTERS/Aly Song

People wearing protective face masks walk past office buildings in Lujiazui financial district in Pudong, in Shanghai, following the coronavirus disease (COVID-19) outbreak, China June 4, 2020. REUTERS/Aly Song

People wearing protective face masks are seen in Lujiazui financial district in Pudong, in Shanghai, following the coronavirus disease (COVID-19) outbreak, China June 4, 2020. REUTERS/Aly Song

A woman wearing a protective face mask holds a candle at Liberty Square in Taipei to mark the 31st anniversary of the crackdown of pro-democracy protests at Beijing's Tiananmen Square in 1989, Taiwan, June 4, 2020. REUTERS/Ann Wang

A person wearing a protective face mask and gloves holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A person wearing a protective face mask holds a sign during a Black Lives Matter protest in Centenary Square in Birmingham, following the death of George Floyd who died in police custody in Minneapolis, Birmingham, Britain, June 4, 2020. REUTERS/Jason Cairnduff

A man wearing a protective face mask stands in front of office buildings in Lujiazui financial district in Pudong, in Shanghai, following the coronavirus disease (COVID-19) outbreak, China June 4, 2020. REUTERS/Aly Song

People wearing protective face masks walk past office buildings in Lujiazui financial district in Pudong, in Shanghai, following the coronavirus disease (COVID-19) outbreak, China June 4, 2020. REUTERS/Aly Song

People wearing protective face masks walk past office buildings in Lujiazui financial district in Pudong, in Shanghai, following the coronavirus disease (COVID-19) outbreak, China June 4, 2020. REUTERS/Aly Song TPX IMAGES OF THE DAY

People wearing protective face masks walk past office buildings in Lujiazui financial district in Pudong, in Shanghai, following the coronavirus disease (COVID-19) outbreak, China June 4, 2020. REUTERS/Aly Song

A man yells at soldiers at sunrise outside the White House to protest the death in Minneapolis police custody of George Floyd in Washington, U.S., June 4, 2020. REUTERS/Kevin Lamarque

David Egan wearing a protective face mask in the parade ring, as racing resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19), Newmarket, Britain, June 4, 2020. David Davies/Pool via REUTERS

Frankie Dettori wearing a protective face mask at Newmarket Racecourse, as racing resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19), Newmarket, Britain, June 4, 2020. David Davies/Pool via REUTERS

Frankie Dettori wearing a protective face mask at Newmarket Racecourse, as racing resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19), Newmarket, Britain, June 4, 2020. David Davies/Pool via REUTERS

Trainer John Gosden wearing a protective face mask at Newmarket Racecourse, as racing resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19), Newmarket, Britain, June 4, 2020. David Davies/Pool via REUTERS

Jockeys wearing protective face masks leaving the weighing room, as racing resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19), Newcastle Upon Tyne, Britain, June 4, 2020. Steve Davies/Pool via REUTERS

Joe Fanning wearing a protective face mask leaving the weighing room, as racing resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19), Newcastle Upon Tyne, Britain, June 4, 2020. Steve Davies/Pool via REUTERS