A sanitation worker wearing personal protective equipment selects cleaning tools at the coronavirus treatment center at Fourah Bay College, amid the outbreak of the coronavirus disease (COVID-19), in Freetown, Sierra Leone July 2, 2020. Picture taken July 2, 2020. REUTERS/Cooper Inveen

Sanitation worker Francis Kamara disinfects his boots in a bucket of chlorine at the coronavirus treatment center at Fourah Bay College, amid the outbreak of the coronavirus disease (COVID-19) in Freetown Sierra Leone, on July 2, 2020. Picture taken July 2, 2020. REUTERS/Cooper Inveen

A community health officer helps sanitation workers to put on personal protective equipment (PPE) at the coronavirus treatment center of Fourah Bay College in Freetown, Sierra Leone July 2, 2020. REUTERS/Cooper Inveen

A nurse mixes a bucket of chlorine while two sanitation workers look on at the coronavirus disease (COVID-19) treatment center of Fourah Bay College in Freetown, Sierra Leone July 2, 2020. REUTERS/Cooper Inveen

Sanitation workers remove their personal protective equipment (PPE) while a nurse mixes a bucket of chlorine at the coronavirus disease (COVID-19) treatment center of Fourah Bay College in Freetown, Sierra Leone July 2, 2020. REUTERS/Cooper Inveen

A sanitation worker removes his personal protective equipment at Fourah Bay College, amid the outbreak of the coronavirus disease (COVID-19), in Freetown, Sierra Leone July 2, 2020. REUTERS/Cooper Inveen

A police officer sits atop of a fire truck in front of the Male Correctional center after a riot erupted at a prison amid the spread of the coronavirus disease (COVID-19), in Freetown, Sierra Leone April 29, 2020. REUTERS/Cooper Inveen

Army officers walk past fire trucks in front of the Male Correctional center after a riot erupted at a prison amid the spread of the coronavirus disease (COVID-19), in Freetown, Sierra Leone April 29, 2020. REUTERS/Cooper Inveen

Police officers stand in front of the Male Correctional center after a riot erupted at a prison amid the spread of the coronavirus disease (COVID-19) in Freetown, Sierra Leone April 29, 2020. REUTERS/Cooper Inveen

An army officer stands in front of the Male Correctional center after a riot erupted at a prison amid the spread of the coronavirus disease (COVID-19) in Freetown, Sierra Leone April 29, 2020. REUTERS/Cooper Inveen

Police officers stand in front of the Male Correctional center after riot erupted at a prison amid the spread of the coronavirus disease (COVID-19) in Freetown, Sierra Leone April 29, 2020. REUTERS/ Cooper inveen

Police officers stand in front of the Male Correctional center after riot erupted at a prison amid the spread of the coronavirus disease (COVID-19) in Freetown, Sierra Leone April 29, 2020. REUTERS/ Cooper inveen

Hippos swim down a river in the Outamba-Kilimi national park in northern Sierra Leone March 11, 2020. Picture taken March 11, 2020. REUTERS/Cooper Inveen.

Scattered rosewood logs are seen on scorched earth at an area harvested for timber in the Outamba-Kilimi national park Leone March 12, 2020. Picture taken March 12, 2020. REUTERS/Cooper Inveen.

Piles of rosewood are seen next to a river outside the town of Kamakwie in northern Sierra Leone March 12, 2020. Picture taken March 12, 2020. REUTERS/Cooper Inveen

A ranger with Sierra Leone's National Protected Areas Authority lights a campfire in the Outamba-Kilimi national park, Sierra Leone March 11, 2020. Picture taken March 11, 2020. REUTERS/Cooper Inveen

A pair of canoes are seen on the shore of a river in the Outamba-Kilimi national park in northern Sierra Leone, March 11, 2020. Photo taken March 11, 2020. REUTERS/Cooper Inveen

A signboard welcomes visitors to the Outamba-Kilimi national park in northern Sierra Leone March 12, 2020. Picture taken March 12, 2020. REUTERS/Cooper Inveen.

Men load freshly cut rosewood logs onto a truck in Fintonia, northern Sierra Leone, March 12, 2020. Photo taken March 12, 2020. REUTERS/Cooper Inveen.

Piles of rosewood logs are seen at a makeshift depot near the Outamba-Kilimi national park in northern Sierra Leone March 12, 2020. Picture taken March 12, 2020. REUTERS/Cooper Inveen.

Men float rosewood logs across a river using empty jerrycans outside the town of Kamakwie, Sierra Leone, March 10, 2020. Picture taken March 10, 2020. REUTERS/Cooper Inveen.

Men load freshly cut rosewood logs onto a truck in Fintonia, northern Sierra Leone, March 12, 2020. Photo taken March 12, 2020. REUTERS/Cooper Inveen.

Piles of rosewood are seen next to a river outside the town of Kamakwie in northern Sierra Leone March 12, 2020. Picture taken March 12, 2020. REUTERS/Cooper Inveen.

Reverend Father John Peter Bebeley sits behind the mixing table at Radio Maria, which broadcasts the sermons of the Sacred Heart Cathedral, as all religious gatherings are suspended over concerns of the spread of coronavirus disease (COVID-19) in Freetown, Sierra Leone March 22, 2020. REUTERS/Cooper Inveen

Reverend Father John Peter Bebeley sits behind the mixing table at Radio Maria, which broadcasts the sermons of the Sacred Heart Cathedral, as all religious gatherings are suspended over concerns of the spread of coronavirus disease (COVID-19) in Freetown, Sierra Leone March 22, 2020. REUTERS/Cooper Inveen

Street vendors sit as they wait for customers along the Fourah Bay road market, amid of the coronavirus disease (COVID-19) outbreak in Freetown, Sierra Leone March 19, 2020. REUTERS/Cooper Inveen

Crowds of people walk through the Abacha Street market amid the coronavirus disease (COVID-19) outbreak in Freetown, Sierra Leone March 19, 2020. REUTERS/Cooper Inveen

Former mine worker Abdulai Banura holds up an iron-dusted potato grown in a community garden outside iron ore mine in Marampa, Sierra Leone February 18, 2020. Picture taken Febrary 18, 2020. REUTERS/Cooper Inveen.

A signboard warning visitors that removing any material from iron ore mines is prohibited by international tribunal, is seen outside the iron ore mine in Marampa, Sierra Leone February 18, 2020. Picture taken Febrary 18, 2020. REUTERS/Cooper Inveen.

A signboard in front of a large iron ore pile warns visitors that removing any material is prohibited by international tribunal in Marampa, Sierra Leone February 18, 2020. Picture taken Febrary 18, 2020. REUTERS/Cooper Inveen.

A woman feeds her granddaughter while other children watch inside their home at Labor Camp community in Lunsar, Sierra Leone November 13, 2019. Picture taken November 13, 2019. REUTERS/Cooper Inveen. TPX IMAGES OF THE DAY

Former mine worker Abdulai Bangura shows his employment documents from SL Mining, Timis Mining and London Mining, during an interview with Reuters journalist at his home at Labor Camp community in Lunsar, Sierra Leone, November 13, 2019. Picture taken November 13, 2019. REUTERS/Cooper Inveen.

An SL Mining employee holds up a photo of colleages who lost their jobs during mass layoffs in October of 2019 at the iron ore mine's processing plant in Marampa, Sierra Leone November 13, 2019. Picture taken November 13, 2019. REUTERS/Cooper Inveen

Former mine worker Abdulai Bangura smiles as he sits with his children in front of his family house at Labor Camp community in Lunsar, Sierra Leone February 18, 2020. Picture taken February 18, 2020. REUTERS/Cooper Inveen

Former mines worker Philip Sorboi and his brother Daniel, both former employees of the colonial mining firm that founded Sierra Leone's Marampa iron ore mine, sit at their home at Labor Camp community in Lunsar, Sierra Leone November 13, 2019. Picture taken November 13, 2019. REUTERS/Cooper Inveen.

Former mine worker Abdulai Bangura sits in front of his family house with his wife and three children, at Labor Camp community in Lunsar, Sierra Leone February 18, 2020. Picture taken February 18, 2020. REUTERS/Cooper Inveen

Former mine worker Abdulai Bangura holds up iron-dusted soil from a community garden outside iron ore mine in Marampa, Sierra Leone February 18, 2020. Picture taken Febrary 18, 2020. REUTERS/Cooper Inveen

An SL Mining employee walks across large piles of iron ore adjacent to SL Mining's processing plant at iron ore mine in Marampa, Sierra Leone November 12, 2019. Picture taken November 12, 2019. REUTERS/Cooper Inveen

The home of former mine worker Abdulai Bangura, built in the 1930s as employee housing for the firm that founded the iron ore mine in Marampa, Sierra Leone February 18, 2020. Picture taken Febrary 18, 2020. REUTERS/Cooper Inveen

Piles of iron are seen from across a man-made lake near the Marampa iron ore mine in Lunsar, Sierra Leone, November 12, 2019. Picture taken November 12, 2019. REUTERS/Cooper Inveen

Former mine worker Abu Bakar Kamara digs through the ruins of a colonial-era mining ruin outside iron ore mine in hopes of finding concrete blocks to sell in Marampa, Sierra Leone February 18, 2020. Picture taken Febrary 18, 2020. REUTERS/Cooper Inveen.

An SL Mining employee holds up hands full of processed iron ore from the mine in Marampa, Sierra Leone, November 12, 2019. Picture taken November 12, 2019. REUTERS/Cooper Inveen

View of piles of iron ore adjacent to SL Mining's processing plant at iron ore mine in Marampa, Sierra Leone February 18, 2020. Picture taken Febrary 18, 2020. REUTERS/Cooper Inveen

Former mine worker Abdulai Bangura wades through swamp water en route to a community garden outside iron ore mine in Marampa, Sierra Leone February 18, 2020. Picture taken Febrary 18, 2020. REUTERS/Cooper Inveen.

Pharmacy owner Eiza Kanu shows a photo of herself with a shaved head and swolen facial features as she says are symptoms of an illenss that has kept her away from work for several months in an unknown place in Sierra Leone February 18, 2020. Picture taken February 18, 2020. REUTERS/Cooper Inveen.

Yousef Kamara holds his daughter Stylvia in Freetown, Sierra Leone February 11, 2020. Picture taken February 11, 2020. REUTERS/Cooper Inveen

Yousef Kamara works on a poem in the Way Out media center's "Writers Room" in Freetown, Sierra Leone February 11, 2020. Picture taken February 11, 2020. REUTERS/Cooper Inveen

Way Out members Foday Sillah and Ibrahim Dumbuya edit video footage at the centre's "Writer's Room" in Freetown, Sierra Leone January 23, 2020. Picture taken January 23, 2020. REUTERS/Cooper Inveen

Gibrilla Kamara, Way Out's office manager, mixes tracks in the media center's recording studio in Freetown, Sierra Leone February 11, 2020. Picture taken February 11, 2020. REUTERS/Cooper Inveen

A Way Out member records a vocal track in the center's recording studio in Freetown, Sierra Leone February 11, 2020. Picture taken February 11, 2020. REUTERS/Cooper Inveen

A Way Out member Milton Kanu edits a video under their center in Freetown, Sierra Leone February 11, 2020. Picture taken February 11, 2020. REUTERS/Cooper Inveen

Way Out member Milton Kanu stands on the balcony of the eponymous media studio in Freetown, Sierra Leone January 13, 2020. Picture taken January 13, 2020. REUTERS/Cooper Inveen

British folk singer Frank Turner discusses music production with Sierra Leonean producer Solo while the pair volunteer at the Way Out media studio in Freetown, Sierra Leone January 13, 2020. Picture taken January 13, 2020. REUTERS/Cooper Inveen

Members of the Freetown street gang Giverdam Gaza roll joints in front of the gang's headquarters in Freetown, Sierra Leone February 11, 2020. Picture taken February 11, 2020. REUTERS/Cooper Inveen

Yousef Kamara works on a poem in the Way Out media center's "Writer's Room" in Freetown, Sierra Leone February 11, 2020. Picture taken February 11, 2020. REUTERS/Cooper Inveen

Yousef Kamara holds his daughter Stylvia in front of their house in Freetown, Sierra Leone February 11, 2020. Picture taken February 11, 2020. REUTERS/Cooper Inveen

Rwanda's President Paul Kagame and Sierra Leone's President Julius Maada Bio arrive for a meeting at the 33rd Ordinary Session of the Assembly of the Heads of State and Government of the African Union (AU) in Addis Ababa, Ethiopia, February 10, 2020. REUTERS/Tiksa Negeri

Britain's Prime Minister Boris Johnson, Britain's Prince William and Catherine, Duchess of Cambridge; Anne, the Princess Royal; and Prince Edward and Sophie, Countess of Wessex join Heads of Government, Ministers and members of NGOs attending the UK-Africa Investment Summit for a group photograph at London's Buckingham Palace, January 20, 2020. Back row, from left: Tunisia - Acting Minister for Foreign Affairs Sabri Bachtobji; Mauritania - Minister of Economy and Industry Sheikh El Kebir Moulaye Taher; Ethiopia - Deputy Prime Minister Demeke Mekonen Hassen; Angola - Minister of State for Economic Development Manuel Nunes Junior; Algeria - Minister of Finance Abderrahmane Raouya; World Bank - President David R Malpass; UN Economic Commission for Africa - Executive Secretary Vera Songwe; IMF - Director, African Department, Abebe Aemro Selassie; European Bank for Reconstruction and Development - President Suma Chakrabati; African Union - Chairperson Moussa Faki Mahamat; African Development Bank - President Akinwumi Ayodesji Adesina. Middle row, from left: Uganda - President Yoweri Kaguta Museveni; Sierra Leone - President Julius Maada Bio; Senegal - President Macky Sall; Rwanda - President Paul Kagame; Nigeria - Foreign Minister Geoffrey Onyeama; Mozambique - President Filipe Nyusi; Morocco - Prime Minister Saad Dine El Otmani; Mauritius - Prime Minister Pravind Kumar Jugnauth; Malawi - President Peter Mutharika; Kenya - President Uhuru Muigai Kenyatta; South Africa - Foreign Minister Grace Naledi Mandisa Pandor. Front row, from left: Guinea - President Alpha Conde; Countess of Wessex; Earl of Wessex; Ghana - President Nana Addo Dankwa Akufo-Addo; Duchess of Cambridge; Duke of Cambridge; Prime Minister Boris Johnson; Egypt - President Abdel Fattah Al Sisi; Princess Royal; Democratic Republic of the Congo - President Felix Tshisekedi Tshilombo; Cote d’Ivoire - President Alassane Ouattara. Yui Mok/Pool via REUTERS

Britain's Prime Minister Boris Johnson, Britain's Prince William and Catherine, Duchess of Cambridge; Anne, the Princess Royal; and Prince Edward and Sophie, Countess of Wessex join Heads of Government, Ministers and members of NGOs attending the UK-Africa Investment Summit for a group photograph at London's Buckingham Palace, January 20, 2020. Back row, from left: Tunisia - Acting Minister for Foreign Affairs Sabri Bachtobji; Mauritania - Minister of Economy and Industry Sheikh El Kebir Moulaye Taher; Ethiopia - Deputy Prime Minister Demeke Mekonen Hassen; Angola - Minister of State for Economic Development Manuel Nunes Junior; Algeria - Minister of Finance Abderrahmane Raouya; World Bank - President David R Malpass; UN Economic Commission for Africa - Executive Secretary Vera Songwe; IMF - Director, African Department, Abebe Aemro Selassie; European Bank for Reconstruction and Development - President Suma Chakrabati; African Union - Chairperson Moussa Faki Mahamat; African Development Bank - President Akinwumi Ayodesji Adesina. Middle row, from left: Uganda - President Yoweri Kaguta Museveni; Sierra Leone - President Julius Maada Bio; Senegal - President Macky Sall; Rwanda - President Paul Kagame; Nigeria - Foreign Minister Geoffrey Onyeama; Mozambique - President Filipe Nyusi; Morocco - Prime Minister Saad Dine El Otmani; Mauritius - Prime Minister Pravind Kumar Jugnauth; Malawi - President Peter Mutharika; Kenya - President Uhuru Muigai Kenyatta; South Africa - Foreign Minister Grace Naledi Mandisa Pandor. Front row, from left: Guinea - President Alpha Conde; Countess of Wessex; Earl of Wessex; Ghana - President Nana Addo Dankwa Akufo-Addo; Duchess of Cambridge; Duke of Cambridge; Prime Minister Boris Johnson; Egypt - President Abdel Fattah Al Sisi; Princess Royal; Democratic Republic of the Congo - President Felix Tshisekedi Tshilombo; Cote dÕIvoire - President Alassane Ouattara. Yui Mok/Pool via REUTERS

President of Sierra Leone Julius Maada Bio arrives at Buckingham Palace in London, Britain January 20, 2020. REUTERS/Henry Nicholls/Pool