A man looks on over the Rocinha slum from the roof of his house in Rio de Janeiro, Brazil October 13, 2021. REUTERS/Pilar Olivares TPX IMAGES OF THE DAY

A woman looks from a window of her house in the Rocinha slum in Rio de Janeiro, Brazil October 13, 2021. REUTERS/Pilar Olivares

A woman hangs her clothes on the roof of her home in Rocinha slum in Rio de Janeiro, Brazil October 13, 2021. REUTERS/Pilar Olivares

A general view shows fabricated network of water pipes connecting to clients, amid the coronavirus disease (COVID-19) outbreak, in the outskirts of Kibera slums in Nairobi, Kenya October 8, 2021. REUTERS/Monicah Mwangi

Dogs are seen near a fabricated network of water pipes connecting to clients, amid the coronavirus disease (COVID-19) outbreak, on the outskirts of Kibera slums in Nairobi, Kenya October 8, 2021. REUTERS/Monicah Mwangi TPX IMAGES OF THE DAY

A general view shows fabricated network of water pipes connecting to clients, amid the coronavirus disease (COVID-19) outbreak, in the outskirts of Kibera slums in Nairobi, Kenya October 8, 2021. REUTERS/Monicah Mwangi

Residents walk under power cables on a pathway during sunset within Kibera slums in Nairobi, Kenya October 6, 2021. Picture taken October 6, 2021. REUTERS/Thomas Mukoya

A boy flips in the air as they play on dumped plastic materials amid the coronavirus disease (COVID-19) outbreak, on the outskirts of Kibera slums in Nairobi, Kenya October 6, 2021. REUTERS/Thomas Mukoya

A boy flips in the air as they play on dumped plastic materials amid the coronavirus disease (COVID-19) outbreak, on the outskirts of Kibera slums in Nairobi, Kenya October 6, 2021. REUTERS/Thomas Mukoya

A trader sells groceries along the pavement, amid the coronavirus disease (COVID-19) outbreak, on the outskirts of Kibera slums in Nairobi, Kenya October 6, 2021. REUTERS/Thomas Mukoya

Children play in a courtyard under a hung out laundry amid the coronavirus disease (COVID-19) outbreak, within Kibera slums in Nairobi, Kenya October 6, 2021. REUTERS/Thomas Mukoya

A trader stands outside a retail store, amid the coronavirus disease (COVID-19) outbreak, in Kibera slums of Nairobi, Kenya October 6, 2021. REUTERS/Thomas Mukoya

A man receives a dose of COVISHIELD vaccine, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, inside a house during a vaccination drive in a slum area in Ahmedabad, India, September 29, 2021. REUTERS/Amit Dave

A man receives a dose of the COVISHIELD vaccine, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, in an alley at a slum area, in Ahmedabad, India, September 28, 2021. REUTERS/Amit Dave

A woman reacts as she receives a dose of the COVISHIELD vaccine, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, in an alley at a slum area in Ahmedabad, India, September 28, 2021. REUTERS/Amit Dave

People register themselves to receive a dose of the COVISHIELD vaccine, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, in an alley at a slum area, in Ahmedabad, India, September 28, 2021. REUTERS/Amit Dave

Residents of the Chapeu Mangueira slum wait for donated food during the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil August 28, 2021. Picture taken August 28, 2021. REUTERS/Pilar Olivares

A resident receives a vaccine as the vaccinations against Ebola continue in Alakro, the slum where the first case of Ebola was confirmed, in Abidjan, Ivory Coast August 17, 2021. REUTERS/Luc Gnago

A health worker prepares to vaccinate a resident as the vaccinations against Ebola continue in Alakro, the slum where the first case of Ebola was confirmed, in Abidjan, Ivory Coast August 17, 2021. REUTERS/Luc Gnago

A resident receives a vaccine as the vaccinations against Ebola continue in Alakro, the slum where the first case of Ebola was confirmed, in Abidjan, Ivory Coast August 17, 2021. REUTERS/Luc Gnago

A health worker prepares to vaccinate a resident as the vaccinations against Ebola continue in Alakro, the slum where the first case of Ebola was confirmed, in Abidjan, Ivory Coast August 17, 2021. REUTERS/Luc Gnago

A health worker prepares to vaccinate a resident as the vaccinations against Ebola continue in Alakro, the slum where the first case of Ebola was confirmed, in Abidjan, Ivory Coast August 17, 2021. REUTERS/Luc Gnago

A health worker prepares to vaccinate a resident as the vaccinations against Ebola continue in Alakro, the slum where the first case of Ebola was confirmed, in Abidjan, Ivory Coast August 17, 2021. REUTERS/Luc Gnago

Alisha, 7, looks out of a parked bus of TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, on the floodplains of Yamuna river, in New Delhi, India August 9, 2021. Picture taken August 9, 2021. REUTERS/Anushree Fadnavis

Gauri, 8, reacts inside a parked bus run by TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, near the Tughlaqabad fort in New Delhi, India August 9, 2021. Picture taken August 9, 2021. REUTERS/Anushree Fadnavis

A woman teaches children inside a parked bus run by TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, on the floodplains of the Yamuna river in New Delhi, India August 9, 2021. Picture taken August 9, 2021. REUTERS/Anushree Fadnavis

A woman teaches children inside a parked bus run by TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, on the floodplains of the Yamuna river in New Delhi, India August 9, 2021. Picture taken August 9, 2021. REUTERS/Anushree Fadnavis

A boy shows his slate chalkboard inside a parked bus run by TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, on the floodplains of the Yamuna river in New Delhi, India August 9, 2021. Picture taken August 9, 2021. REUTERS/Anushree Fadnavis

Children clap their hands inside a parked bus run by TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, near the Tughlaqabad fort in New Delhi, India August 9, 2021. Picture taken August 9, 2021. REUTERS/Anushree Fadnavis

Members of TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, help children on their way to a parked bus near the Tughlaqabad Fort in New Delhi, India August 6, 2021. Picture taken August 6, 2021. REUTERS/Anushree Fadnavis

Radhika, 9, hands out a slate chalkboard to a teacher inside a parked bus run by TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, near the Tughlaqabad fort in New Delhi, India August 6, 2021. Picture taken August 6, 2021. REUTERS/Anushree Fadnavis

A bus run by TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, is seen parked on the floodplains of the Yamuna river in New Delhi, India August 6, 2021. Picture taken August 6, 2021. REUTERS/Anushree Fadnavis

Slate chalkboards lie in the seats of a parked bus run by TejasAsia, an NGO using "Hope" buses as mobile classrooms for children living in slums, near the Tughlaqabad Fort in New Delhi, India August 6, 2021. Picture taken August 6, 2021. REUTERS/Anushree Fadnavis

A boy has his temperature checked before entering the Stara Rescue Centre and School during the reopening of schools, for the delayed academic year 2021, amid the novel coronavirus disease (COVID-19) pandemic, in Kibera slums of Nairobi, Kenya July 26, 2021. REUTERS/Thomas Mukoya

Girls gather before entering the Stara Rescue Centre and School during the reopening of schools, for the delayed academic year 2021, amid the novel coronavirus disease (COVID-19) pandemic, in Kibera slums of Nairobi, Kenya July 26, 2021. REUTERS/Thomas Mukoya

A boy strokes a dog before entering the Stara Rescue Centre and School during the reopening of schools, for the delayed academic year 2021, amid the novel coronavirus disease (COVID-19) pandemic, in Kibera slums of Nairobi, Kenya July 26, 2021. REUTERS/Thomas Mukoya

A girl walks to school during the reopening of schools, for the delayed academic year 2021, amid the novel coronavirus disease (COVID-19) pandemic, in Kibera slums of Nairobi, Kenya July 26, 2021. REUTERS/Thomas Mukoya TPX IMAGES OF THE DAY

Children play at the Stara Rescue Centre and School during the reopening of schools, for the delayed academic year 2021, amid the novel coronavirus disease (COVID-19) pandemic, in Kibera slums of Nairobi, Kenya July 26, 2021. REUTERS/Thomas Mukoya

Elias Okutoyi, a class teacher conducts a lesson at the Stara Rescue Centre and School during the reopening of schools, for the delayed academic year 2021, amid the novel coronavirus disease (COVID-19) pandemic, in Kibera slums of Nairobi, Kenya July 26, 2021. REUTERS/Thomas Mukoya

A girl peers through the iron-sheet fence before entering the Stara Rescue Centre and School during the reopening of schools, for the delayed academic year 2021, amid the novel coronavirus disease (COVID-19) pandemic, in Kibera slums of Nairobi, Kenya July 26, 2021. REUTERS/Thomas Mukoya

Girls walk along a railway line during the reopening of schools, for the delayed academic year 2021, amid the novel coronavirus disease (COVID-19) pandemic, in Kibera slums of Nairobi, Kenya July 26, 2021. REUTERS/Thomas Mukoya

Goats are seen before slaughter during the Muslim festival of Eid al-Adha in the Kibera slum in Nairobi, Kenya, July 20, 2021. REUTERS/Baz Ratner

A man sharpens a knife before slaughtering goats during the Muslim festival of Eid al-Adha in the Kibera slum in Nairobi, Kenya, July 20, 2021. REUTERS/Baz Ratner

Blood is seen on a knife after it was used to slaughter a goat, during the Muslim festival of Eid al-Adha in the Kibera slum in Nairobi, Kenya, July 20, 2021. REUTERS/Baz Ratner

Men slaughter a goat during the Muslim festival of Eid al-Adha in the Kibera slum in Nairobi, Kenya, July 20, 2021. REUTERS/Baz Ratner

A man carries a goat to be slaughtered during the Muslim festival of Eid al-Adha in the Kibera slum in Nairobi, Kenya, July 20, 2021. REUTERS/Baz Ratner

A man prays in a mosque during the Muslim festival of Eid al-Adha in the Kibera slum in Nairobi, Kenya, July 20, 2021. REUTERS/Baz Ratner

A man holds a goat before it is slaughtered during the Muslim festival of Eid al-Adha in the Kibera slum in Nairobi, Kenya, July 20, 2021. REUTERS/Baz Ratner

A girl celebrates the Muslim festival of Eid al-Adha in the Kibera slum in Nairobi, Kenya, July 20, 2021. REUTERS/Baz Ratner TPX IMAGES OF THE DAY

The moon rises over the Santo Amaro slum in Rio de Janeiro, Brazil June 25, 2021. REUTERS/Pilar Olivares

Adrielly, 4, daugther of Daniele de Fatima, stands outside her house in Cidade de Deus slum, after receiving food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

Residents of Cidade de Deus slum, receive food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

Residents of Cidade de Deus slum, receive food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

Residents of Cidade de Deus slum, receive food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

Residents of Cidade de Deus slum, receive food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

Residents of Cidade de Deus slum, receive food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

Daniele de Fatima, stands at her house in Cidade de Deus slum, as she receives food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

Daniele de Fatima, walks outside her house in Cidade de Deus slum, after receiving food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

Daniele de Fatima, stands outside her house in Cidade de Deus slum, after receiving food and bread from members of the Institute doAcao, which was produced at the Santuario de Nossa Senhora de Fatima (Sanctuary of Our Lady of Fatima), amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, June 24, 2021. Picture taken June 24, 2021. REUTERS/Ricardo Moraes

A man touches a graffiti made by artists in honor of Kathlen de Oliveira Romeu, who was pregnant and was shot dead during a police operation, according to local media, at the Lins slums complex in Rio de Janeiro, Brazil June 14, 2021. The graffiti reads: "May your light guide the paths of our fight ". REUTERS/Pilar Olivares