Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

A digger collects rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

A digger collects rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

A digger collects rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Lorries wait to be filled with rock salt for gritting roads ahead of the cold weather at the rock salt mine, Compass Minerals in Winsford, Britain, March 8, 2023. REUTERS/Molly Darlington 

Denis Pushilin, Moscow-installed acting leader of the Russian-controlled parts of Ukraine's Donetsk region, meets with civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict at a temporary accommodation centre located in a local dormitory in Shakhtarsk (Shakhtyorsk), Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

A civilian evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict walks along a corridor of a temporary accommodation centre located at a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

People, including civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, gather in a corridor of a temporary accommodation centre located at a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

Yelena Vinogradova, 58, and other civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, stay at a temporary accommodation centre located in a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

People walk along a corridor of a temporary accommodation centre located in a local dormitory for civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

An elderly woman, who was evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, sits on a bed in a temporary accommodation centre located at a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY 

Civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict have meals in a temporary accommodation centre located at a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

Sergei, who didn't give his family name, lies on a bed in a temporary accommodation centre located at a local dormitory for civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

Yelena Vinogradova, 58, and other civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, stay at a temporary accommodation centre located in a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

Yelena Bakumenko, 34, who is a civilian evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, carries soup plates in a temporary accommodation centre located at a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

Natalya and Yelena, 65, who didn't give their family names react while standing in a corridor of a temporary accommodation centre located in a local dormitory for civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY 

People, including civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, enter a temporary accommodation centre located in a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

Yelena Vinogradova, 58, who is a civilian evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict, reacts while speaking in a temporary accommodation centre located at a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

Alexey and Sergei, who didn't give their family names, stay at a temporary accommodation centre located in a local dormitory for civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko 

Civilians evacuated from the salt-mining town of Soledar in the course of Russia-Ukraine conflict stay at a temporary accommodation centre located in a local dormitory in Shakhtarsk (Shakhtyorsk) in the Donetsk Region, Russian-controlled Ukraine, January 14, 2023. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY 

Miners pray the Asr prayer at the Afdera salt mine on the outskirts of Afdera town, Afar region, Ethiopia, February 23, 2022. REUTERS/Tiksa Negeri SEARCH "NEGERI ETHIOPIA AFAR" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

A man poses for a photograph at Afdera salt mine on the outskirts of Afdera town, in Afar region, Ethiopia, February 23, 2022. REUTERS/Tiksa Negeri SEARCH "NEGERI ETHIOPIA AFAR" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

A technician works at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 13, 2021. Picture taken August 13, 2021. REUTERS/Agustin Marcarian 

A technician handles a sample of lithium carbonate processed from the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 13, 2021. Picture taken August 13, 2021. REUTERS/Agustin Marcarian 

A technician handles a sample of lithium carbonate processed from the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 13, 2021. Picture taken August 13, 2021. REUTERS/Agustin Marcarian 

A general view of the Rincon Mining lithium camp at the Salar del Rincon salt flat, in Salta, Argentina August 13, 2021. Picture taken August 13, 2021. REUTERS/Agustin Marcarian 

An employee is pictured outside the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 13, 2021. Picture taken August 13, 2021. REUTERS/Agustin Marcarian 

An employee works at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

Employees work at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

A welder works at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

An employee walks at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

Brine pools used to extract lithium are seen next to a lithium mining camp at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

An employee walks at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

An employee works at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

Employees grab carbonate lithium after being processed at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

Brine pools are pictured at the Rincon Mining lithium camp, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

An employee takes a sample at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

An employee grabs carbonate lithium after being processed at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

The moon is pictured during sunset at the Rincon Mining lithium camp, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian 

Children ride bikes in the Mutange neighbourhood, which has been affected by rock salt mining by the petrochemical company Braskem, in Maceio, Brazil January 30, 2020. Picture taken January 30, 2020. REUTERS/Amanda Perobelli 

Marcio da Rocha Cavalcante, 47, is pictured in an apartment with cracks linked to rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 27, 2020. Picture taken January 27, 2020. REUTERS/Amanda Perobelli 

A child plays with horses in the Mutange neighbourhood, which has been affected by rock salt mining by the petrochemical company Braskem, in Maceio, Brazil January 30, 2020. Picture taken January 30, 2020. REUTERS/Amanda Perobelli 

A man passes subsoil monitoring equipment installed to track effects of rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 29, 2020. Picture taken January 29, 2020. REUTERS/Amanda Perobelli 

In the northeastern Brazilian city of Maceio, a number of salt mines owned and operated by petrochemical firm Braskem have over time eroded the ground underneath a large chunk of the city.

Jose Rinaldo Januario, 47, is pictured in his house next to cracks linked to rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 29, 2020. Picture taken January 29, 2020. REUTERS/Amanda Perobelli 

A dog is pictured beside subsoil monitoring equipment installed to track effects of rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 29, 2020. Picture taken January 29, 2020. REUTERS/Amanda Perobelli 

Horses graze outside of a a building with cracks linked to rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 27, 2020. Picture taken January 27, 2020. REUTERS/Amanda Perobelli 

A crack monitor is attached to the wall of a house with damage linked to rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 29, 2020. Picture taken January 29, 2020. REUTERS/Amanda Perobelli 

People wait at a Braskem service center run for residents affected by the petrochemical company's rock salt mining in Maceio, Brazil January 30, 2020. Picture taken January 30, 2020. REUTERS/Amanda Perobelli 

A building with cracks linked to rock salt mining by the petrochemical company Braskem is seen in Maceio, Brazil January 27, 2020. Picture taken January 27, 2020. REUTERS/Amanda Perobelli 

Jose Rinaldo Januario, 47, shows a damage in his house linked to rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 28, 2020. Picture taken January 28, 2020. REUTERS/Amanda Perobelli 

A child rides a bicycle past subsoil monitoring equipment installed to track effects of rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 29, 2020. Picture taken January 29, 2020. REUTERS/Amanda Perobelli 

Joeliton Barbosa Goes, 45, stands in his house next to a crack linked to rock salt mining by the petrochemical company Braskem in Maceio, Brazil January 28, 2020. Picture taken January 28, 2020. REUTERS/Amanda Perobelli