A view shows a non-operating smelting shop in the town of Nikel in Murmansk Region, Russia February 26, 2021. The smelter, which was the oldest production facility of Russian miner Norilsk Nickel, was closed in 2020 as part of the company's environmental programme aiming to reduce hazardous emissions into the atmosphere. REUTERS/Evgenia Novozhenina

A view shows the logo of Norilsk Nickel company at a non-operating smelting shop in the town of Nikel in Murmansk Region, Russia February 26, 2021. The smelter, which was the oldest production facility of Russian miner Norilsk Nickel, was closed in 2020 as part of the company's environmental programme aiming to reduce hazardous emissions into the atmosphere. REUTERS/Evgenia Novozhenina

A view shows a non-operating smelting shop in the town of Nikel in Murmansk Region, Russia February 26, 2021. The smelter, which was the oldest production facility of Russian miner Norilsk Nickel, was closed in 2020 as part of the company's environmental programme aiming to reduce hazardous emissions into the atmosphere. REUTERS/Evgenia Novozhenina

A view shows a non-operating smelting shop in the town of Nikel in Murmansk Region, Russia February 26, 2021. The smelter, which was the oldest production facility of Russian miner Norilsk Nickel, was closed as part of the company's environmental programme aiming to reduce hazardous emissions into the atmosphere. REUTERS/Evgenia Novozhenina

A view shows a non-operating smelting shop in the town of Nikel in Murmansk Region, Russia February 26, 2021. The smelter, which was the oldest production facility of Russian miner Norilsk Nickel, was closed as part of the company's environmental programme aiming to reduce hazardous emissions into the atmosphere. REUTERS/Evgenia Novozhenina

An interior view shows a non-operating smelting shop in the town of Nikel in Murmansk Region, Russia February 26, 2021. The smelter, which was the oldest production facility of Russian miner Norilsk Nickel, was closed as part of the company's environmental programme aiming to reduce hazardous emissions into the atmosphere. REUTERS/Evgenia Novozhenina

A view shows a city welcome sign in the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina

A view shows a non-operating smelting shop behind residential buildings in the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina

A view shows the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina

A view shows the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina

A view shows the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina

A view shows a non-operating smelting shop the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina

A view shows a church in the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina TPX IMAGES OF THE DAY

A view shows the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina

A view shows a city welcome sign in the town of Nikel in Murmansk Region, Russia February 26, 2021. REUTERS/Evgenia Novozhenina

A woman walks on a road next to a street nearby the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen

A man on a scooter rides along a closed shop in the centre of the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen

A protective face mask lies on a street of the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen

A placard reading 'Heinsberg county wears a face mask' is pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen

The local community hall 'Buergertreff Langbroich-Harzelt' is pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen

A placard reading 'Heinsberg county wears face mask' is pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen

A roundabout in the centre of the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, is pictured amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen TPX IMAGES OF THE DAY

A candle in front of the door of a family house is pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen

A view through the historic city gate of the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, is pictured amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A local information sign of the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, is pictured amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

Carnival decorations on a window are pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

The local community hall 'Buergertreff Langbroich-Harzelt' in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, is pictured amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A town sign of the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, is pictured amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A decoration on a facade announcing a newborn baby is pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A closed shop is pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A banner reading 'be strong' on the fence of a kindergarten is pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A empty soccer court is pictured in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

The centre of the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, is pictured amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A motorcyclist rides along a closed shop in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A bottle of disinfectant stands on a table of a closed restaurant in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A sign of a local school in the small town Gangelt, one of Germany's first coronavirus pandemic hotspots, is pictured amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 25, 2021. Picture taken February 25, 2021. REUTERS/Thilo Schmuelgen

A view through the historic city gate of the small town Gangelt, one of Germany's first coronavirus hotspots, is pictured amid the coronavirus disease (COVID-19) pandemic in Gangelt, Germany, February 23, 2021. Picture taken February 23, 2021. REUTERS/Thilo Schmuelgen

A view shows the Christian town of Hamdaniya, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Thaier al-Sudani

Christian militia and Policemen stand near a gate of a Christian town of Hamdaniya, Iraq Iraq February 25, 2021. Picture taken February 16, 2021. REUTERS/Thaier al-Sudani

A view shows the Christian town of Hamdaniya, Iraq February 16, 2021. Picture taken February 16, 2021. REUTERS/Thaier al-Sudani

A view shows the Christian town of Hamdaniya, Iraq February 16, 2021. Picture taken February 16, 2021. REUTERS/Thaier al-Sudani

Christian militia check a vehicle at a gate of Christian town of Hamdaniya, Iraq February 23, 2021. Picture taken February 23, 2021. REUTERS/Thaier al-Sudani

A view shows the Christian town of Hamdaniya, Iraq February 25, 2021. Picture taken February 25, 2021. REUTERS/Thaier al-Sudani

Israeli Border police patrol down town Jerusalem as they enforce a night curfew during the Jewish holiday of Purim, as the government aims to prevent large gatherings and a surge in coronavirus disease (COVID-19) infections, in Jerusalem February 25, 2021. REUTERS/Ronen Zvulun

Israeli Border police patrol down town Jerusalem as they enforce a night curfew during the Jewish holiday of Purim, as the government aims to prevent large gatherings and a surge in coronavirus disease (COVID-19) infections, in Jerusalem February 25, 2021. REUTERS/Ronen Zvulun

An employee wears a safety helmet at a metallurgical workshop of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

An employee works in a copper electrolysis workshop of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

A vehicle drives along a snow-covered road near the production facilities of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

Cars drive near the production facilities of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

A general view shows the production facilities of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

A view shows a logo near the production facilities the production facilities of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

A general view shows the production facilities of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

A general view shows the production facilities of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

An employee works in a nickel electrolysis workshop of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

An employee works in a nickel electrolysis workshop of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

A view shows nickel sheets at Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

A view shows nickel sheets at Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

An employee works in a nickel electrolysis workshop of Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina

A view shows nickel sheets at Kola Mining and Metallurgical Company (Kola MMC), a subsidiary of Nornickel metals and mining company, in the town of Monchegorsk in Murmansk Region, Russia February 25, 2021. REUTERS/Evgenia Novozhenina