Urns containing ashes after final rites of people including those who died from the coronavirus disease (COVID-19) await immersion due to lockdown, at a crematorium in New Delhi, India, May 6, 2021. REUTERS/Danish Siddiqui

Urns containing ashes after final rites of people including those who died from the coronavirus disease (COVID-19) await immersion due to lockdown, at a crematorium in New Delhi, India, May 6, 2021. REUTERS/Danish Siddiqui TPX IMAGES OF THE DAY

A man performs last rites next to the funeral pyres of those who died from the coronavirus disease (COVID-19), during a mass cremation at a crematorium in New Delhi, India May 1, 2021. REUTERS/Adnan Abidi

A man performs last rites next to the funeral pyres of those who died from the coronavirus disease (COVID-19), during a mass cremation, at a crematorium in New Delhi, India April 26, 2021. REUTERS/Adnan Abidi

A man performs last rites next to the funeral pyres of those who died from the coronavirus disease (COVID-19), during a mass cremation, at a crematorium in New Delhi, India April 26, 2021. REUTERS/Adnan Abidi

A family member performs the last rites of a relative who died from the coronavirus disease (COVID-19), by the funeral fires at a crematorium in New Delhi, India April 24, 2021. REUTERS/Adnan Abidi

A relative in personal protective equipment performs last rites to a man, who died due to the coronavirus disease (COVID-19), before his cremation in Ahmedabad, India, March 30, 2021. REUTERS/Amit Dave

Relatives in personal protective equipment perform last rites to a man, who died due to the coronavirus disease (COVID-19), before his cremation in Ahmedabad, India, March 30, 2021. REUTERS/Amit Dave

Vehicles line up at a self-swabbing coronavirus disease (COVID-19) test at a Rite Aid drive-thru during the outbreak of COVID-19, in Pasadena, California, U.S., January 22, 2021. REUTERS/Mario Anzuoni

Vehicles line up at a self-swabbing coronavirus disease (COVID-19) test at a Rite Aid drive-thru during the outbreak of COVID-19, in Pasadena, California, U.S., January 22, 2021. REUTERS/Mario Anzuoni

A person performs a self-swabbing coronavirus disease (COVID-19) test at a Rite Aid drive-thru during the outbreak of COVID-19, in Pasadena, California, U.S., January 22, 2021. REUTERS/Mario Anzuoni

Vehicles line up at a self-swabbing coronavirus disease (COVID-19) test at a Rite Aid drive-thru during the outbreak of COVID-19, in Pico Rivera, California, U.S., January 22, 2021. REUTERS/Mario Anzuoni

Vehicles line up at a self-swabbing coronavirus disease (COVID-19) test at a Rite Aid drive-thru during the outbreak of COVID-19, in Pasadena, California, U.S., January 22, 2021. REUTERS/Mario Anzuoni

Vehicles line up at a self-swabbing coronavirus disease (COVID-19) test at a Rite Aid drive-thru during the outbreak of COVID-19, in Pasadena, California, U.S., January 22, 2021. REUTERS/Mario Anzuoni

A person performs a self-swabbing coronavirus disease (COVID-19) test at a Rite Aid drive-thru during the outbreak of COVID-19, in Pasadena, California, U.S., January 22, 2021. REUTERS/Mario Anzuoni

A person performs a self-swabbing coronavirus disease (COVID-19) test at a Rite Aid drive-thru during the outbreak of COVID-19, in Pico Rivera, California, U.S., January 22, 2021. REUTERS/Mario Anzuoni

People wearing protective face masks enter a MedRite Urgent Care following the outbreak of the coronavirus disease (COVID-19) in the Manhattan borough of New York City, New York, U.S., December 30, 2020. REUTERS/Jeenah Moon

People wearing protective face masks wait in line outside a MedRite Urgent Care following the outbreak of the coronavirus disease (COVID-19) in the Manhattan borough of New York City, New York, U.S., December 30, 2020. REUTERS/Jeenah Moon

People wearing protective face masks wait in line outside a MedRite Urgent Care following the outbreak of the coronavirus disease (COVID-19) in the Manhattan borough of New York City, New York, U.S., December 30, 2020. REUTERS/Jeenah Moon

People wearing protective face masks wait in line outside a MedRite Urgent Care following the outbreak of the coronavirus disease (COVID-19) in the Manhattan borough of New York City, New York, U.S., December 30, 2020. REUTERS/Jeenah Moon

Brother Claudio, 27, picks an olive branch at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, reads a book at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

General view of Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, sings liturgical songs at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Monks gather after lunch at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, gets ready to sing liturgical songs at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, prays as he sits on an olive tree at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

General view of Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, walks at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Filippo, 23, poses for a photo as he goes to the cemetery at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Filippo, 23, walks to the cemetery at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, prays under an olive tree at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Father Antonio, 89, walks at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Father Antonio, 89, poses for a photo at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, plays with a cat who lives at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, poses for a photo at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Claudio, 27, and Brother Filippo, 23, make their way back to Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Francesco looks on as he meets with other monks at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Brother Filippo, 23, poses for a photo as he goes to the cemetery at Greek Abbey of Saint Nilus, which hosts Italy's last ten Basilian monks of the Greek rite, in Grottaferrata, Italy, November 24, 2020. Picture taken November 24, 2020. REUTERS/Guglielmo Mangiapane

Mourners pay their respect near the casket of Serbia's late Patriarch Irinej, who died of the coronavirus disease (COVID-19), during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 22, 2020. REUTERS/Marko Djurica

Priests stand by the casket of Serbia's late Patriarch Irinej, who died of the coronavirus disease (COVID-19), during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 22, 2020. REUTERS/Marko Djurica

Serbian President Aleksandar Vucic pays his respect by the casket of Serbia's late Patriarch Irinej, who died of the coronavirus disease (COVID-19), during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 22, 2020. REUTERS/Marko Djurica

Serbian President Aleksandar Vucic pays his respect by the casket of Serbia's late Patriarch Irinej, who died of the coronavirus disease (COVID-19), during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 22, 2020. REUTERS/Marko Djurica

Serbian President Aleksandar Vucic pays his respect by the casket of Serbia's late Patriarch Irinej, who died of the coronavirus disease (COVID-19), during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 22, 2020. REUTERS/Marko Djurica

Serbian President Aleksandar Vucic pays his respect by the casket of Serbia's late Patriarch Irinej, who died of the coronavirus disease (COVID-19), during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 22, 2020. REUTERS/Marko Djurica

Priests stand by the casket of Serbia's late Patriarch Irinej, who died of the coronavirus disease (COVID-19), during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 22, 2020. REUTERS/Marko Djurica

Serbian Army guardsmen stand next to the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

Serbian Army guardsmen carry the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

Mourners pay their respect over the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

Priests pay their respect over the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

A mourner pays her respect over the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

A mourner pays her respect over the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

A priest pays his respect over the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

A mourner kisses the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica TPX IMAGES OF THE DAY

Mourners pay their respect by the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

The casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, is seen during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

A priest pays his respect over the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

A mourner pays her respect by the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica

A priest takes a picture of the casket of Serbia's late Patriarch Irinej, who died of coronavirus infection, during funeral rites at Belgrade's St. Sava temple, in Belgrade, Serbia, November 21, 2020. REUTERS/Marko Djurica