A view shows a monument to the Soviet state founder Vladimir Lenin in Bratsk in Irkutsk Region, Russia March 2, 2021. REUTERS/Maxim Shemetov

Steam rises from chimneys of a heating power plant near a monument of Soviet cosmonaut Yuri Gagarin, the first man in space, with the air temperature at about minus 20 degrees Celsius, in Moscow, Russia, January 17, 2021. REUTERS/Maxim Shemetov

Steam rises from chimneys of a heating power plant near a monument of Soviet cosmonaut Yuri Gagarin, the first man in space, with the air temperature at about minus 20 degrees Celsius, in Moscow, Russia, January 17, 2021. REUTERS/Maxim Shemetov

Elizaveta Mikhaylova, a victim of the Soviet mass political repressions known as the Great Terror, shows a pre-arrest photo of her father Semyon, who served a sentence in a forced labour camp and was banned from big cities because of his status, during an interview in her house in the settlement of Zolotkovskiy Razyezd in Vladimir Region, Russia December 22, 2020. Picture taken December 22, 2020. REUTERS/Evgenia Novozhenina

Elizaveta Mikhaylova, a victim of the Soviet mass political repressions known as the Great Terror, shows a document confirming the termination of the case of her father Semyon, who served a sentence in a forced labour camp and was banned from big cities because of his status, during an interview in her house in the settlement of Zolotkovskiy Razyezd in Vladimir Region, Russia December 22, 2020. Picture taken December 22, 2020. REUTERS/Evgenia Novozhenina

Elizaveta Mikhaylova, a victim of the Soviet mass political repressions known as the Great Terror, poses for a picture in her house in the settlement of Zolotkovskiy Razyezd in Vladimir Region, Russia December 22, 2020. Elizaveta's father, Semyon Mikhaylov, served a sentence in a forced labour camp and was banned from big cities including Moscow because of his status. Picture taken December 22, 2020. REUTERS/Evgenia Novozhenina

Elizaveta Mikhaylova, a victim of the Soviet mass political repressions known as the Great Terror, shows a photo of her father Semyon, who served a sentence in a forced labour camp and returned from his stint, during an interview in her house in the settlement of Zolotkovskiy Razyezd in Vladimir Region, Russia December 22, 2020. Picture taken December 22, 2020. REUTERS/Evgenia Novozhenina

Elizaveta Mikhaylova, a victim of the Soviet mass political repressions known as the Great Terror, shows a photograph of her parents - mother Antonina and Semyon, her father who served a sentence in a forced labour camp and was banned from big cities because of his status, during an interview in her house in the settlement of Zolotkovskiy Razyezd in Vladimir Region, Russia December 22, 2020. Picture taken December 22, 2020. REUTERS/Evgenia Novozhenina

Elizaveta Mikhaylova, a victim of the Soviet mass political repressions known as the Great Terror, and and her daughters Nina and Vlada pose for a picture outside their house in the settlement of Zolotkovskiy Razyezd in Vladimir Region, Russia December 22, 2020. Elizaveta's father, Semyon Mikhaylov, served a sentence in a forced labour camp and was banned from big cities including Moscow because of his status. Picture taken December 22, 2020. REUTERS/Evgenia Novozhenina

Elizaveta Mikhaylova, a victim of the Soviet mass political repressions known as the Great Terror, poses for a picture outside her house in the settlement of Zolotkovskiy Razyezd in Vladimir Region, Russia December 22, 2020. Elizaveta's father, Semyon Mikhaylov, served a sentence in a forced labour camp and was banned from big cities including Moscow because of his status. Picture taken December 22, 2020. REUTERS/Evgenia Novozhenina

Ukrainian servicemen carry a coffin during a ceremony to rebury the remains of the victims of Soviet-era political repressions in Lviv, Ukraine December 29, 2020. REUTERS/Pavlo Palamarchuk

A woman holding flowers is seen next to coffins during a ceremony to rebury the remains of the victims of Soviet-era political repressions in Lviv, Ukraine December 29, 2020. REUTERS/Pavlo Palamarchuk

An activist holds an underwear with signs reading "Novichok", referring to a Soviet-style nerve agent, during a picket in support of opposition politician Alexei Navalny, in Saint Petersburg, Russia December 22, 2020. REUTERS/Anton Vaganov

Handmade Christmas tree decorations created by Ukrainian artist Maryna Gerashchenko are seen at her home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Ukrainian artist Maryna Gerashchenko, 56, shows handmade Christmas tree decorations to her granddaughter at home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Parts of handmade Christmas tree decorations created by Ukrainian artist Maryna Gerashchenko are seen at her home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Ukrainian artist Maryna Gerashchenko, 56, creates a handmade Christmas tree decoration at home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Ukrainian artist Maryna Gerashchenko, 56, shows handmade Christmas tree decorations at home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Parts of handmade Christmas tree decorations created by Ukrainian artist Maryna Gerashchenko are seen at her home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Ukrainian artist Maryna Gerashchenko, 56, shows handmade Christmas tree decorations at home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Ukrainian artist Maryna Gerashchenko, 56, creates a handmade Christmas tree decoration at home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Handmade Christmas tree decorations created by Ukrainian artist Maryna Gerashchenko are seen at her home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

Ukrainian artist Maryna Gerashchenko, 56, paints a handmade Christmas tree decoration at home in Kyiv, Ukraine December 9, 2020. The decorations are made by soaking cotton wool in a wheat paste and wrapping it around copper wire. The method was popular among people who could not afford to buy expensive glass Christmas decorations and especially widespread in tsar Russia and Soviet Union. Picture taken December 9, 2020. REUTERS/Gleb Garanich

People wearing fancy costumes walk near a skating rink past signs requesting to use protective face masks and to keep a social distance amid the coronavirus disease (COVID 19) outbreak, as heavy fog covers a square named after Soviet state founder Vladimir Lenin in Stavropol, Russia December 1, 2020. REUTERS/Eduard Korniyenko TPX IMAGES OF THE DAY

Pedestrians walk near a skating rink past signs requesting to wear protective face masks and to keep a social distance amid the coronavirus disease (COVID 19) outbreak, as heavy fog covers a square named after Soviet state founder Vladimir Lenin in Stavropol, Russia December 1, 2020. REUTERS/Eduard Korniyenko

Pedestrians walk near a skating rink past signs requesting to wear protective face masks and to keep a social distance amid the coronavirus disease (COVID 19) outbreak, as heavy fog covers a square named after Soviet state founder Vladimir Lenin in Stavropol, Russia December 1, 2020. REUTERS/Eduard Korniyenko

A worker installs decorations for the upcoming New Year and Christmas season as heavy fog covers a square named after Soviet state founder Vladimir Lenin in Stavropol, Russia December 1, 2020. REUTERS/Eduard Korniyenko

Pedestrians walk near a skating rink past signs requesting to wear protective face masks and to keep a social distance amid the coronavirus disease (COVID 19) outbreak, as heavy fog covers a square named after Soviet state founder Vladimir Lenin in Stavropol, Russia December 1, 2020. REUTERS/Eduard Korniyenko

Soviet-era concrete apartment blocks are seen behind trees in Star City near Moscow, Russia, October 21, 2020. Picture taken October 21, 2020. To match Special Report HEALTH-CORONAVIRUS/RUSSIA-STARCITY REUTERS/Evgenia Novozhenina

Soviet-era concrete apartment blocks close to the pond in Star City near Moscow, Russia, October 21, 2020. Picture taken October 21, 2020. To match Special Report HEALTH-CORONAVIRUS/RUSSIA-STARCITY REUTERS/Evgenia Novozhenina

A view shows a Lun-class Soviet-made ekranoplan, which is a naval craft and a ground-effect vehicle, on the Caspian Sea coastline in Derbent in the Republic of Dagestan, Russia November 3, 2020. Picture taken November 3, 2020. REUTERS/Kazbek Basayev

A view shows a Lun-class Soviet-made ekranoplan, which is a naval craft and a ground-effect vehicle, on the Caspian Sea coastline in Derbent in the Republic of Dagestan, Russia November 3, 2020. Picture taken November 3, 2020. REUTERS/Kazbek Basayev

A view shows a Lun-class Soviet-made ekranoplan, which is a naval craft and a ground-effect vehicle, on the Caspian Sea coastline in Derbent in the Republic of Dagestan, Russia November 4, 2020. Picture taken November 4, 2020. REUTERS/Kazbek Basayev

A view shows a Lun-class Soviet-made ekranoplan, which is a naval craft and a ground-effect vehicle, on the Caspian Sea coastline in Derbent in the Republic of Dagestan, Russia November 4, 2020. Picture taken November 4, 2020. REUTERS/Kazbek Basayev

Mayor of Moscow Sergei Sobyanin attends a wreath laying ceremony at the Tomb of the Unknown Soldier to mark the anniversary of a military parade in 1941, when Soviet soldiers marched towards the front lines during World War Two, in Moscow, Russia November 7, 2020. REUTERS/Maxim Shemetov

Participants attend a wreath laying ceremony at the Tomb of the Unknown Soldier to mark the anniversary of a military parade in 1941, when Soviet soldiers marched towards the front lines during World War Two, in Moscow, Russia November 7, 2020. REUTERS/Maxim Shemetov

Members of the honour guard line up during a wreath laying ceremony at the Tomb of the Unknown Soldier to mark the anniversary of a military parade in 1941, when Soviet soldiers marched towards the front lines during World War Two, in Moscow, Russia November 7, 2020. REUTERS/Maxim Shemetov

Members of the honour guard march during a wreath laying ceremony at the Tomb of the Unknown Soldier to mark the anniversary of a military parade in 1941, when Soviet soldiers marched towards the front lines during World War Two, in Moscow, Russia November 7, 2020. REUTERS/Maxim Shemetov

Mayor of Moscow Sergei Sobyanin attends a wreath laying ceremony to mark the anniversary of a military parade in 1941, when Soviet soldiers marched towards the front lines during World War Two, in Moscow, Russia November 7, 2020. REUTERS/Maxim Shemetov

Mayor of Moscow Sergei Sobyanin attends a wreath laying ceremony to mark the anniversary of a military parade in 1941, when Soviet soldiers marched towards the front lines during World War Two, in Moscow, Russia November 7, 2020. REUTERS/Maxim Shemetov

A Soviet flag flies in front of St.Basil's Cathedral as supporters of the Russian Communist Party take part in a procession marking the anniversary of the 1917 Bolshevik Revolution, also known as the Great October Socialist Revolution, in Red Square in Moscow, Russia November 7, 2020. REUTERS/Maxim Shemetov

A supporter of the Russian Communist Party holds a portrait of Soviet leader Joseph Stalin during a procession marking the anniversary of the 1917 Bolshevik Revolution, also known as the Great October Socialist Revolution, in Red Square in Moscow, Russia November 7, 2020. REUTERS/Maxim Shemetov

Belarusian opposition supporters walk during a rally to reject the presidential election results in Kuropaty, mass grave memorial to victims of Joseph Stalin's Soviet government, on the outskirts of Minsk, Belarus November 1, 2020. REUTERS/Stringer

A Belarusian opposition supporters places flowers during a rally to reject the presidential election results in Kuropaty, mass grave memorial to victims of Joseph Stalin's Soviet government, on the outskirts of Minsk, Belarus November 1, 2020. REUTERS/Stringer

Belarusian opposition supporters walk during a rally to reject the presidential election results in Kuropaty, mass grave memorial to victims of Joseph Stalin's Soviet government, on the outskirts of Minsk, Belarus November 1, 2020. REUTERS/Stringer

A boy and a girl wearing red neckerchiefs, the symbol of the Young Pioneer Soviet-era organisation, play with a horn during a ceremony opening a Russian history interactive museum in Pyatigorsk, Russia September 11, 2020. REUTERS/Eduard Korniyenko TPX IMAGES OF THE DAY

Volunteers build a dam to restore a bog near Palmse, Estonia August 30, 2020. Activists in Estonia are working to restore its old bogs, which were drained in the Soviet-era to extract peat and are now leaking greenhouse gases. Picture taken August 30, 2020. REUTERS/Ints Kalnins

Volunteers build a dam to restore a bog near Palmse, Estonia August 30, 2020. Activists in Estonia are working to restore its old bogs, which were drained in the Soviet-era to extract peat and are now leaking greenhouse gases. Picture taken August 30, 2020. REUTERS/Ints Kalnins

Volunteers build a dam to restore a bog near Palmse, Estonia August 30, 2020. Activists in Estonia are working to restore its old bogs, which were drained in the Soviet-era to extract peat and are now leaking greenhouse gases. Picture taken August 30, 2020. REUTERS/Ints Kalnins

Volunteers build a dam to restore a bog near Palmse, Estonia August 30, 2020. Activists in Estonia are working to restore its old bogs, which were drained in the Soviet-era to extract peat and are now leaking greenhouse gases. Picture taken August 30, 2020. REUTERS/Ints Kalnins

Volunteers build a dam to restore a bog near Palmse, Estonia August 30, 2020. Activists in Estonia are working to restore its old bogs, which were drained in the Soviet-era to extract peat and are now leaking greenhouse gases. Picture taken August 30, 2020. REUTERS/Ints Kalnins

Volunteers build a dam to restore a bog near Palmse, Estonia August 30, 2020. Activists in Estonia are working to restore its old bogs, which were drained in the Soviet-era to extract peat and are now leaking greenhouse gases. Picture taken August 30, 2020. REUTERS/Ints Kalnins

Children play atop of T-34 Soviet-era tank which is on display during the International military-technical forum "Army-2020" at Alabino range in Moscow Region, Russia August 23, 2020. REUTERS/Maxim Shemetov

Russian military jets release smoke in the colours of the Russian state flag during the International military-technical forum "Army-2020", as a monument to Soviet World War Two commander Marshal Georgy Zhukov is seen in the foreground, at Patriot Congress and Exhibition Centre in Moscow Region, Russia August 23, 2020. REUTERS/Maxim Shemetov

People wave Belarusian national flags and a Soviet flag during a rally in support of Belarusian President Alexander Lukashenko in Minsk, Belarus August 19, 2020. REUTERS/Vasily Fedosenko

A vendor waits for customers while selling fruit, vegetables and berries near a T-34 Soviet-era tank placed on a basement outside Smolensk, Russia August 18, 2020. REUTERS/Maxim Shemetov

Polish nationalists carry a banner reading "National Movement, Lower Silesia" during a march to celebrate Armed Forces Day and the centenary of the Battle of Warsaw, also called "The Miracle of the Vistula", a major victory of Polish army over Soviet forces in 1920 when they attempted to take Warsaw in what some historians described as the Bolshevik push towards western Europe, in Warsaw, Poland, August 15, 2020. REUTERS/Kacper Pempel

Young men hold placards as Polish nationalists march to celebrate Armed Forces Day and the centenary of the Battle of Warsaw, also called "The Miracle of the Vistula", a major victory of Polish army over Soviet forces in 1920 when they attempted to take Warsaw in what some historians described as the Bolshevik push towards western Europe, in Warsaw, Poland, August 15, 2020. REUTERS/Kacper Pempel

Polish nationalists march to celebrate Armed Forces Day and the centenary of the Battle of Warsaw, also called "The Miracle of the Vistula", a major victory of Polish army over Soviet forces in 1920 when they attempted to take Warsaw in what some historians described as the Bolshevik push towards western Europe, in Warsaw, Poland, August 15, 2020. REUTERS/Kacper Pempel