Anglo-American CEO Mark Cutifani speaks to Reuters during an interview at the 2020 Investing in African Mining Indaba conference in Cape Town, South Africa, February 3, 2020. REUTERS/Sumaya Hisham

A demonstrator wearing a face mask with the Australian Aboriginal flag is seen after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

A demonstrator wearing a face mask with the Australian Aboriginal flag is seen after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

Police officers patrol an area after shutting down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

Police officers patrol an area after shutting down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

A demonstrator wearing a "Black Lives Matter" face mask is pictured after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

Police officers surround a police van as they issue citation tickets to demonstrators, after shutting down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

A demonstrator wearing a face mask is pictured after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

A demonstrator wearing a face mask is seen between police officers who issue citation tickets to demonstrators, after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

Police officers issue citation tickets to demonstrators, after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

Police officers surround a police van as they issue citation tickets to demonstrators, after shutting down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

Police officers issue citation tickets to demonstrators, after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

A demonstrator rips up a citation ticket issued by police, after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

A demonstrator holds up a citation ticket issued by police, after police shut down a rally that was deemed unlawful, in Sydney, Australia, July 28, 2020. Demonstrators had planned the rally protesting the deaths of Indigenous Australians in police custody, in solidarity with Black Lives Matter (BLM) protests in the U.S. calling for an end to police brutality against African Americans. REUTERS/Loren Elliott

A hearse with the flag-draped casket of late Rep. John Lewis, (D-GA), drives past the National Museum of African American History and Culture, in Washington, U.S., July 27, 2020. Alex Brandon/Pool via REUTERS

A pedestrian walks outside of the NASA headquarters, as administrator Jim Bridenstine announced today the agency's headquarters building will be named after Mary W. Jackson, the first African American female engineer at NASA, in Washington, U.S., June 24, 2020. REUTERS/Tom Brenner

A traffic cone sits on a sidewalk outside of the NASA headquarters, as administrator Jim Bridenstine announced today the agency's headquarters building will be named after Mary W. Jackson, the first African American female engineer at NASA, in Washington, U.S., June 24, 2020. REUTERS/Tom Brenner

An exterior view of the NASA headquarters, as administrator Jim Bridenstine announced today the agency's headquarters building will be named after Mary W. Jackson, the first African American female engineer at NASA, in Washington, U.S., June 24, 2020. REUTERS/Tom Brenner

An exterior view of the NASA headquarters, as administrator Jim Bridenstine announced today the agency's headquarters building will be named after Mary W. Jackson, the first African American female engineer at NASA, in Washington, U.S., June 24, 2020. REUTERS/Tom Brenner

Protesters kneel in front of the National Museum of African American History and Culture during a march as racial inequality protests continue, in Washington, U.S., June 23, 2020. REUTERS/Leah Millis

A child skates past the Emancipation Memorial, depicting President Abraham Lincoln standing over a kneeling African-American slave who has broken chains on his feet and hands, which has come under recent scrutiny in Washington, U.S., June 22, 2020. REUTERS/Kevin Lamarque

Children play as a man takes a photo of the Emancipation Memorial, depicting President Abraham Lincoln standing over a kneeling African-American slave who has broken chains on his feet and hands, which has come under recent scrutiny in Washington, U.S., June 22, 2020. REUTERS/Kevin Lamarque

The Emancipation Memorial, depicting President Abraham Lincoln standing over a kneeling African-American slave who has broken chains on his feet and hands, which has come under recent scrutiny, is seen in Washington, U.S., June 22, 2020. REUTERS/Kevin Lamarque

Children play in front of the Emancipation Memorial, depicting President Abraham Lincoln standing over a kneeling African-American slave who has broken chains on his feet and hands, which has come under recent scrutiny in Washington, U.S., June 22, 2020. REUTERS/Kevin Lamarque

Chenier Taylor participates in a dance class lead by Nikki Hefko, Director of the New Orleans School of Ballet, which was being held in collaboration with Magnolia Dance & Company in celebration of Juneteenth, a holiday that marks the end of U.S. slavery in 1865, in New Orleans, Louisiana, U.S., June 20, 2020. Hefko said their performance on Juneteenth and class in the park the next day was aimed to celebrate African American culture, acknowledge the real history and what's going on but also show that there is still progress to be made. REUTERS/Kathleen Flynn

Nikki Hefko, Director of the New Orleans School of Ballet performs during the school's collaboration performance with Magnolia Dance & Company in celebration of Juneteenth, a holiday that marks the end of U.S. slavery in 1865, in New Orleans, Louisiana, U.S., June 19, 2020. Hefko said their performance on Juneteenth and class in the park the next day was aimed to celebrate African American culture, acknowledge the real history and what's going on but also show that there is still progress to be made. Picture taken June 19, 2020. REUTERS/Kathleen Flynn

McKinley Hawkins, 4, participates in a dance class organized by the New Orleans School of Ballet in collaboration with Magnolia Dance & Company in celebration of Juneteenth, a holiday that marks the end of U.S. slavery in 1865, in New Orleans, Louisiana, U.S., June 20, 2020. Nikki Hefko, director of the New Orleans School of Ballet, said their performance on Juneteenth and class in the park the next day was aimed to celebrate African American culture, acknowledge the real history and what's going on but also show that there is still progress to be made. REUTERS/Kathleen Flynn

Lindsay Smith and her daughter Cruz Hall, 4, participate in a dance class organized by the New Orleans School of Ballet in collaboration with Magnolia Dance & Company in celebration of Juneteenth, a holiday that marks the end of U.S. slavery in 1865, in New Orleans, Louisiana, U.S., June 20, 2020. Nikki Hefko, director of the New Orleans School of Ballet, said their performance on Juneteenth and class in the park the next day was aimed to celebrate African American culture, acknowledge the real history and what's going on but also show that there is still progress to be made. REUTERS/Kathleen Flynn

Luther Leonard holds an American flag in Pan-African colors during a Juneteenth Freedom March for Juneteenth, which commemorates the end of slavery in Texas, two years after the 1863 Emancipation Proclamation freed slaves elsewhere in the United States, in Seattle, Washington, U.S. June 19, 2020. REUTERS/Lindsey Wasson

Two discarded champagne bottle sit on a wall as the sun rises on the Lincoln Memorial on Juneteenth — the day celebrating Lincoln's emancipation of African American slaves more than a century and a half ago, in Washington, U.S. June 19, 2020. REUTERS/Jonathan Ernst

The sun rises on the Lincoln Memorial on Juneteenth — the day celebrating Lincoln's emancipation of African American slaves more than a century and a half ago, in Washington, U.S. June 19, 2020. REUTERS/Jonathan Ernst

The sun rises on the Lincoln Memorial on Juneteenth — the day celebrating Lincoln's emancipation of African American slaves more than a century and a half ago, in Washington, U.S. June 19, 2020. REUTERS/Jonathan Ernst

A rainbow appears behind the Lincoln Memorial as Lisa Fitzpatrick prepares to begin her day, coincidentally Juneteenth — the day celebrating Lincoln’s emancipation of African American slaves more than a century and a half ago, with a sunrise walk in Washington, U.S. June 19, 2020. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

A Palestinian man holds a banner depicting Iyad al-Halaq, an unarmed and autistic Palestinian who was shot dead by Israeli police, and African-American George Floyd who died in Minneapolis police custody, during a protest outside Jerusalem's Old City June 8, 2020. Picture taken June 8, 2020. REUTERS/Ammar Awad

Palestinian protesters hold banners depicting Iyad al-Halaq, an unarmed and autistic Palestinian who was shot dead by Israeli police, and African-American George Floyd who died in Minneapolis police custody, during a protest outside Jerusalem's Old City June 8, 2020. Picture taken June 8, 2020. REUTERS/Ammar Awad

A young woman holds a sign the St. Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

Young girls hold sign with heir mother during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A family cames out to support a youth protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A young girl holds a Black Lives Matter sign during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

Young protesters march with their parents during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

Young protesters march on the St. Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A young girl holds a sign on the St. Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A protester takes a knee on the St. Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

Former NBA player Larry Hughes takes a knee during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A man holds a sign under the St. Louis Arch during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A young girl raises her fist while holding a sign during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A young girl holds a sign in the St.Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A protester responds to a non-protester during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A child holds a sign during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

Kids stand for a group photo during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A person takes a picture of a placard underneath the Columbus Monument, during a protest against the death in Minneapolis police custody of African-American man George Floyd, in Barcelona, Spain June 14, 2020. REUTERS/Nacho Doce

A woman holds a sign as she shouts slogans underneath the Columbus Monument during a protest against the death in Minneapolis police custody of African-American man George Floyd, in Barcelona, Spain June 14, 2020. REUTERS/Nacho Doce

Healthcare workers attend a "White Coats for Black Lives'' tribute for George Floyd and other African-Americans who died in police custody, outside Queen of the Valley Hospital in West Covina, near Los Angeles, California, U.S. June 11, 2020. REUTERS/Lucy Nicholson

A healthcare worker kneels while holding a sign during a "White Coats for Black Lives'' tribute for George Floyd and other African-Americans who died in police custody, outside Queen of the Valley Hospital in West Covina, near Los Angeles, California, U.S. June 11, 2020. REUTERS/Lucy Nicholson

Healthcare workers kneel during a "White Coats for Black Lives'' tribute for George Floyd and other African-Americans who died in police custody, outside Queen of the Valley Hospital in West Covina, near Los Angeles, California, U.S. June 11, 2020. REUTERS/Lucy Nicholson

Doctor Jazma Phelps kneels while holding a sign during a "White Coats for Black Lives'' tribute for George Floyd and other African-Americans who died in police custody, outside Queen of the Valley Hospital in West Covina, near Los Angeles, California, U.S. June 11, 2020. REUTERS/Lucy Nicholson

Doctor Jazma Phelps holds a sign during a "White Coats for Black Lives'' tribute for George Floyd and other African-Americans who died in police custody, outside Queen of the Valley Hospital in West Covina, near Los Angeles, California, U.S. June 11, 2020. REUTERS/Lucy Nicholson

Healthcare workers kneel during a "White Coats for Black Lives'' tribute for George Floyd and other African-Americans who died in police custody, outside Queen of the Valley Hospital in West Covina, near Los Angeles, California, U.S. June 11, 2020. REUTERS/Lucy Nicholson

Healthcare workers kneel during a "White Coats for Black Lives'' tribute for George Floyd and other African-Americans who died in police custody, outside Queen of the Valley Hospital in West Covina, near Los Angeles, California, U.S. June 11, 2020. REUTERS/Lucy Nicholson