Bela Varga, 53, separates soil from small pieces of coal that he found in Ozd, Hungary, December 6, 2020. REUTERS/Marton Monus SEARCH "MONUS POLLUTION" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Gravedigger Lee Molony starts filling in soil over the coffin at the grave of a recently deceased local man whose funeral undertaker and publican Jasper Murphy of McCarthy's Bar directed at Fethard parish church, amid the coronavirus disease (COVID-19) pandemic, in the County Tipperary town of Fethard, Ireland, February 3, 2021. Picture taken February 3, 2021. REUTERS/Clodagh Kilcoyne

Funeral director and publican Jasper Murphy of McCarthy's Bar and Undertakers checks the soil after heavy rain in the grave of a deceased local man whose funeral he is directing, amid the coronavirus disease (COVID-19) pandemic, in the County Tipperary town of Fethard, Ireland, February 3, 2021. Picture taken February 3, 2021. REUTERS/Clodagh Kilcoyne

Agronomy engineer Ueliton Pinheiro Januario and Rioterra plant nursery worker Juciney Pinheiro dos Santos dig for soil samples while measuring carbon content on a parcel of Amazon rainforest in Itapua do Oeste, Rondonia state, Brazil November 4, 2020. Picture taken November 4, 2020. REUTERS/Jake Spring

Day laborer Ivan Batista Queiroz helps take soil samples while measuring carbon content on a parcel of Amazon rainforest in Itapua do Oeste, Rondonia state, Brazil, November 3, 2020. Picture taken November 3, 2020. REUTERS/Jake Spring

UPDATE Subhead update The Chang'e 5 spacecraft carrying rocks and soil from the moon has begun its journey back to Earth, putting China on course to become the first country to successfully retrieve lunar samples since the 1970s.

Angel Alonzo shows corn cobs affected by water shortage in the soil, in La Ceiba, Guatemala October 8, 2020. Picture taken October 8, 2020. REUTERS/Josue Decavele

Workers prepare soil for plants in an area near the canceled airport zone that is part of a project to conserve 12,200 hectares of land in Texcoco on the outskirts of Mexico City, Mexico September 3, 2020. Picture taken September 3, 2020. REUTERS/Henry Romero

Hindu priests and supporters of the Vishva Hindu Parishad (VHP), a Hindu nationalist organisation, perform rituals next to pots filled with holy water and soil which they brought from various Hindu religious places, before taking the pots to the northern town of Ayodhya for a stone laying ceremony in the Ram Temple, in Ahmedabad, India July 27, 2020. REUTERS/Amit Dave

A front loader unloads rocks and soil to reinforce the banks of Gantang river near the Qingshitan reservoir in Lingchuan county, Guangxi Zhuang Autonomous Region, China July 17, 2020. Picture taken July 17, 2020. REUTERS/Thomas Suen

Reverend Robert Turner of Vernon A.M.E Church poses for a portrait holding the soil jar for a victim of the 1921 Black Wall Street massacre, who was also a member of the church, in Tulsa, Oklahoma, U.S., June 18, 2020. Picture taken June 18, 2020. REUTERS/Lawrence Bryant

Reverend Robert Turner of Vernon A.M.E Church poses for a portrait holding the soil jar for a victim of the 1921 Black Wall Street massacre, who was also a member of the church, in Tulsa, Oklahoma, U.S., June 18, 2020. Picture taken June 18, 2020. REUTERS/Lawrence Bryant

Reverend Robert Turner of Vernon A.M.E Church poses for a portrait holding the soil jar for a victim of the 1921 Black Wall Street massacre, who was also a member of the church, in Tulsa, Oklahoma, U.S., June 18, 2020. Picture taken June 18, 2020. REUTERS/Lawrence Bryant

Farmers flatten the soil using horses to prepare the agricultural land for growing rice, amid concerns over the coronavirus disease (COVID-19), near Sharqia along the agricultural road which leads to the capital city of Cairo, Egypt June 15, 2020. Picture taken June 15, 2020. REUTERS/Amr Abdallah Dalsh

Farmers flatten the soil using horses to prepare the agricultural land for growing rice, amid concerns over the coronavirus disease (COVID-19), near Sharqia along the agricultural road which leads to the capital city of Cairo, Egypt June 15, 2020. Picture taken June 15, 2020. REUTERS/Amr Abdallah Dalsh

Farmers flatten the soil using horses to prepare the agricultural land for growing rice, amid concerns over the coronavirus disease (COVID-19), in Abu Kabir, Sharqia Governorate, north of Cairo, Egypt June 13, 2020. REUTERS/Amr Abdallah Dalsh

A bulldozer puts soil on the grave of a man who passed away due to coronavirus disease (COVID-19) at the new Wadi Al-Salam cemetery, which is dedicated to those who died of coronavirus disease (COVID-19), on the outskirts of the holy city of Najaf, Iraq May 20, 2020. Picture taken May 20, 2020. Picture taken through a window. REUTERS/Alaa al-Marjani

A bulldozer is laying soil on the grave of a man who passed away due to the coronavirus disease (COVID-19) during his burial at the new Wadi Al-Salam cemetery, which is dedicated to those who died of the coronavirus disease (COVID-19), on the outskirts of the holy city of Najaf, Iraq May, 21. 2020. Picture taken May, 21. 2020. REUTERS/Alaa al-Marjani

Stacked bags of soil are seen at The Hertfordshire Garden Centre, ahead of reopening on Wednesday, following the outbreak of the coronavirus disease (COVID-19), St Albans, Britain, May 12, 2020. REUTERS/Peter Cziborra

Basketball player Taiwo Badmus and Baba Bob-Soile play in a park in Elephant and Castle, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 12, 2020. REUTERS/Hannah McKay

Baba Bob-Soile plays basketball in a park in Elephant and Castle, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 12, 2020. REUTERS/Hannah McKay

Basketball player Taiwo Badmus and Baba Bob-Soile play in a park in Elephant and Castle, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 12, 2020. REUTERS/Hannah McKay

A worker helps a customer load soil at Sheridan Nurseries on the first day that garden centres re-opened in Ontario after the coronavirus disease (COVID-19) restrictions in Toronto, Ontario, Canada May 8, 2020. REUTERS/Chris Helgren

A funeral services worker wearing protective gloves and coveralls throws soil into the grave of Ozcan Aygin, who died from coronavirus disease (COVID-19), during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

A loader tips soil into the grave of Ozcan Aygin, who died from the coronavirus disease (COVID-19), during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

German special police carry a box from the premises of the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police carry a box from the premises of the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police leaves the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police walks in front of the premises of the Gemeinschaft libanesischer Emigranten e.V. (community of Lebanese emigrants) in Dortmund, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police walks in front of the premises of the Gemeinschaft libanesischer Emigranten e.V. (community of Lebanese emigrants) in Dortmund, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police carry a box from the premises of the Gemeinschaft libanesischer Emigranten e.V. (community of Lebanese emigrants) in Dortmund, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police carry a box from the premises of the Gemeinschaft libanesischer Emigranten e.V. (community of Lebanese emigrants) in Dortmund, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police talk near the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police leaves the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police guards the entrance of the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police talk near the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police gather near the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police leaves the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police gather near the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police gather near the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police gather near the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police gather near the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police enter the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police guards the entrance of the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police guards the entrance of the El-Irschad (Al-Iraschad e.V.) centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

German special police guards the entrance of the El-Irschad centre in Berlin, Germany, April 30, 2020, after Germany has banned Iran-backed Hezbollah on its soil and designated it a terrorist organisation. REUTERS/Hannibal Hanschke

People play football on a deserted soil near a higway, as the nation wide quarantine continues due to the coronavirus disease (COVID-19) outbreak, in Caracas, Venezuela April 26, 2020. REUTERS/Manaure Quintero

A worker uncovers asparagus from soil during harvest in Mannsdorf an der Donau, as the spread of the coronavirus disease (COVID-19) continues, Mannsdorf an der Donau, Austria, April 23, 2020. REUTERS/Lisi Niesner

A worker uncovers asparagus from soil during harvest in Mannsdorf an der Donau, as the spread of the coronavirus disease (COVID-19) continues, Mannsdorf an der Donau, Austria, April 23, 2020. REUTERS/Lisi Niesner

A worker uncovers asparagus from soil during harvest in Mannsdorf an der Donau, as the spread of the coronavirus disease (COVID-19) continues, Mannsdorf an der Donau, Austria, April 23, 2020. REUTERS/Lisi Niesner

The Palmanova beach is seen during the coronavirus disease (COVID-19) outbreak in Mallorca, Spain April 9, 2020. REUTERS/Enrique Calvo

General view of the Magaluf beach during the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain April 9, 2020. REUTERS/Enrique Calvo

General view of the Magaluf beach during the coronavirus disease (COVID-19) outbreak in Palma de Mallorca, Spain April 9, 2020. REUTERS/Enrique Calvo

Footprints are seen on a beach during sunset amid concerns about the spread of the coronavirus disease (COVID-19), in the northern Gaza Strip April 8, 2020. Picture taken April 8, 2020. REUTERS/Suhaib Salem

Cleared land is seen in preparation for a new cemetery as the coronavirus disease (COVID-19) overwhelms sanitary authorities, in Guayaquil, Ecuador April 8, 2020. REUTERS/Vicente Gaibor del Pino

People wearing protective face masks cover the coffin of a person who died of coronavirus disease (COVID-19) with soil, at the Spanish muslim military cemetery as the COVID-19 outbreak continues, in Grinon, Spain April 8, 2020. REUTERS/Juan Medina

General view of the Magaluf beach during the coronavirus disease (COVID-19) outbreak in Mallorca, Spain April 8, 2020. REUTERS/Enrique Calvo

General view of the Magaluf beach during the coronavirus disease (COVID-19) outbreak in Mallorca, Spain April 8, 2020. REUTERS/Enrique Calvo