People walk on Red Square during a snowfall in Moscow on January 21, 2021. (Photo by Kirill KUDRYAVTSEV / AFP)

People walk on Red Square during a snowfall in Moscow on January 21, 2021. (Photo by Kirill KUDRYAVTSEV / AFP)

A woman wearing a face mask leaves a metro station in Moscow on January 20, 2021, amid the ongoing coronavirus disease pandemic. (Photo by NATALIA KOLESNIKOVA / AFP)

A woman wearing a face mask uses her smartphone walking past a bull sculpture in Moscow on January 20, 2021, amid the ongoing coronavirus disease pandemic. (Photo by NATALIA KOLESNIKOVA / AFP)

A worker cleans snow from the top of an Orthodox church in downtown Moscow on January 20, 2021. (Photo by NATALIA KOLESNIKOVA / AFP)

A worker cleans snow from the top of an Orthodox church in downtown Moscow on January 20, 2021. (Photo by NATALIA KOLESNIKOVA / AFP)

An elderly woman wearing a face mask walks in front of a building under reconstruction in Moscow on January 20, 2021, amid the ongoing coronavirus disease pandemic. (Photo by NATALIA KOLESNIKOVA / AFP)

A woman walks past a car got covered with snow following a number of heavy snowfalls in Moscow on January 19, 2021. (Photo by Alexander NEMENOV / AFP)

A woman walks at a park in Moscow on January 19, 2021. (Photo by NATALIA KOLESNIKOVA / AFP)

A woman walks with nordic walking poles at a park in Moscow on January 19, 2021. (Photo by NATALIA KOLESNIKOVA / AFP)

Russian police officers guard an entrance of Red Square in Moscow, Russia, Monday, Jan. 18, 2021. A judge has ordered that opposition leader Alexei Navalny should be held in custody for 30 days, his spokeswoman Kira Yarmysh said on Twitter. The ruling Monday concluded an hours-long court hearing set up at a police precinct where the politician has been held since his arrest at a Moscow airport Sunday. Vladimir Lenin Mausoleum is seenon the background. (AP Photo/Alexander Zemlianichenko)

Russian police officers guard an entrance of Red Square in Moscow, Russia, Monday, Jan. 18, 2021. A judge has ordered that opposition leader Alexei Navalny be held in custody for 30 days, his spokeswoman Kira Yarmysh said on Twitter. The ruling Monday concluded an hours-long court hearing set up at a police precinct where the politician has been held since his arrest at a Moscow airport Sunday. The St. Basil's Cathedral, left, and Vladimir Lenin Mausoleum are seen on the background. (AP Photo/Alexander Zemlianichenko)

The sun breaks through the clouds over high-rise buildings in Moscow, Russia, Monday, Jan. 18, 2021. The temperature in Moscow dropped down to -20 degree Celsius (-4 degree Fahrenheit) during the day and to -25 at night (-13 degree Fahrenheit). (AP Photo/Pavel Golovkin)

Symbolic star covered with frost atop the Moscow State Univesity main building protrudes through low clouds. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

Symbolic star covered with frost atop the Moscow State Univesity main building protrudes through low clouds. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

A food delivery courier rides his bicycle on a way to his next client while passing 2021 New Year's Eve installation in a park. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

Symbolic star covered with frost atop the Moscow State Univesity main building protrudes through low clouds. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

A skier dressed in a sport suit rides through birch trees in a park. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

Apartment blocks representing various architectural styles and ranging in residents wealth and comfort level, located in the West part of Moscow. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Бол. Спасская, Москва, 14 января 2021. Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Bol. Spasskaya, Moscow, January 14, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Улица Ильинка, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Ilyinka street, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Переход станции метро Китай-Город, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Subway station Kitay-Gorod, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Манежная площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Manezhnaya square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Улица Тверская, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Tverskaya Street, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Улица Тверская, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Tverskaya Street, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Улица Тверская, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Tverskaya Street, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Манежная площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Manezhnaya square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Манежная площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Manezhnaya square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Манежная площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Manezhnaya square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Проспект академика Сахарова, Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Academician Sakharov Avenue, Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Проспект академика Сахарова, Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Academician Sakharov Avenue, Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Красная Площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Red Square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Проспект академика Сахарова, Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Academician Sakharov Avenue, Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Бол. Спасская, Москва, 14 января 2021. Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Bol. Spasskaya, Moscow, January 14, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Улица Тверская, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Tverskaya Street, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Улица Тверская, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Tverskaya Street, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Улица Тверская, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Tverskaya Street, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Манежная площадь, Москва 17 января 2021. Фото: Павел Кашаев ________________________________ Record snowfalls in Moscow. Manezhnaya square, Moscow January 17, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Район Кузьминки. Москва, 16 января 2021. Фото: Павел Кашаев _____________________________ Record snowfalls in Moscow. District Kuzminki. Moscow, January 16, 2021. Photo: Pavel Kashaev

MOSCOW, RUSSIA - JANUARY 17: A view of Ostankino Tower is covered in frost in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY 17: A view of Ostankino Tower is covered in frost in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY 17: A view of Ostankino Tower is covered in frost in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY 17: A view of Ostankino Tower is covered in frost in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY 17: Steam from chimneys rises over buildings in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY 17: Steam from chimneys rises over buildings in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY 17: Steam from chimneys rises over buildings in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY 17: Steam from chimneys rises over buildings in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY 17: Steam from chimneys rises over buildings in freezing weather, in Moscow, Russia on January 17, 2021. Daytime temperatures dropped from 0 to -30 degrees Celsius in the Moscow Region Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

Рекордные снегопады в Москве. Проспект академика Сахарова, Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Academician Sakharov Avenue, Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Бол. Спасская, Москва, 14 января 2021. Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Bol. Spasskaya, Moscow, January 14, 2021. Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Комсомольская пл. Москва, 14 января 2021 Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Komsomolskaya pl. Moscow, January 14, 2021 Photo: Pavel Kashaev

Рекордные снегопады в Москве. Бол. Спасская, Москва, 14 января 2021. Фото: Павел Кашаев __________________________________ Record snowfalls in Moscow. Bol. Spasskaya, Moscow, January 14, 2021. Photo: Pavel Kashaev

A city sightseeing double-decker drives trhrough a snowfall in Moscow on January 16, 2021. (Photo by Alexander NEMENOV / AFP)

MOSCOW, RUSSIA - JANUARY16: A car is seen on its way on snow covered road during snowstorm in Moscow, Russia on January 16, 2021. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - JANUARY16: Cars are seen on their ways as one way has traffic jam during snowstorm in Moscow, Russia on January 16, 2021. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

A man with children enjoy sledging as the temperature in Moscow dropped to -15 degree Celsius (5 degree Fahrenheit) in Moscow, Russia, Friday, Jan. 15, 2021. (AP Photo/Alexander Zemlianichenko)

Children enjoy sledging as the temperature in Moscow dropped to -15 degree Celsius (5 degree Fahrenheit) in Moscow, Russia, Friday, Jan. 15, 2021. (AP Photo/Alexander Zemlianichenko)

Children sledge in the snow, as the temperature in Moscow dropped to -15 degree Celsius (5 degree Fahrenheit) in Moscow, Russia, Friday, Jan. 15, 2021. (AP Photo/Alexander Zemlianichenko)

Children slide down a slope, as the temperature in Moscow dropped to -15 degree Celsius (5 degree Fahrenheit) in Moscow, Russia, Friday, Jan. 15, 2021. (AP Photo/Alexander Zemlianichenko)

A view of the ice-covered Ostankino TV tower on a cold winter morning as the temperature in Moscow dropped to -18 degree Celsius (-0,4 degree Fahrenheit) in Moscow, Russia, Friday, Jan. 15, 2021. (AP Photo/Alexander Zemlianichenko)

A boy slides down a slope, as the temperature in Moscow dropped to -15 degree Celsius (5 degree Fahrenheit) in Moscow, Russia, Friday, Jan. 15, 2021. (AP Photo/Alexander Zemlianichenko)

Symbolic star covered with frost atop the Moscow State University main building. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

A workers build a fence around the future MSU (Moscow State University) Technological Valley construction site near the Moscow State University. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

Symbolic star covered with frost atop the Moscow State University main building. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

Symbolic star covered with frost atop the Moscow State University main building. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

A workers build a fence around the future MSU (Moscow State University) Technological Valley construction site near the Moscow State University. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

Workers build a fence around the future MSU (Moscow State University) Technological Valley construction site near the Moscow State University. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

Workers build a fence around the future MSU (Moscow State University) Technological Valley construction site near the Moscow State University. (Photo by Leonid Faerberg / SOPA Images/Sipa USA)

A person walks near the Museum of the Great Patriotic War (also known as the Victory Museum ) - the largest museum of military history in Russia with the biggest collection of World War II military items - at Poklonnaya Hill in Moscow on January 15, 2021. - Moscow museums are to re-open by the end of January following months-long closure due to the outbreak of the coronavirus disease. (Photo by Alexander NEMENOV / AFP)

Men walk near the Museum of the Great Patriotic War (also known as the Victory Museum ) - the largest museum of military history in Russia with the biggest collection of World War II military items - at Poklonnaya Hill in Moscow on January 15, 2021. - Moscow museums are to re-open by the end of January following months-long closure due to the outbreak of the coronavirus disease. (Photo by Alexander NEMENOV / AFP)

A man wearing a face mask to protect against the coronavirus disease walks past a graffiti in the town of Klimovsk some 40 km outside Moscow on January 15, 2021. (Photo by Yuri KADOBNOV / AFP)

A man wearing a face mask to protect against the coronavirus disease walks past a graffiti in the town of Klimovsk some 40 km outside Moscow on January 15, 2021. (Photo by Yuri KADOBNOV / AFP)

A man carries a rubber carpet towards the Museum of the Great Patriotic War (also known as the Victory Museum ) - the largest museum of military history in Russia with the biggest collection of World War II military items - at Poklonnaya Hill in Moscow on January 15, 2021. - Moscow museums are to re-open by the end of January following months-long closure due to the outbreak of the coronavirus disease. (Photo by Alexander NEMENOV / AFP)

A man wearing a face mask to protect against the coronavirus disease walks past a pile of snow in Moscow on January 15, 2021, with the air temperature at around -14 degrees Celsius. (Photo by Natalia KOLESNIKOVA / AFP)

A person walks past a pile of snow a day after a heavy snowfall in Moscow on January 15, 2021, with the air temperature at around -14 degrees Celsius. (Photo by Natalia KOLESNIKOVA / AFP)

Women walk past a pile of snow a day after a heavy snowfall in Moscow on January 15, 2021, with the air temperature at around -14 degrees Celsius. (Photo by Natalia KOLESNIKOVA / AFP)

A man cycles in front of a pile of snow a day after a heavy snowfall in Moscow on January 15, 2021, with the air temperature at around -14 degrees Celsius. (Photo by Natalia KOLESNIKOVA / AFP)

A man wearing a face mask to protect against the coronavirus disease walks in front of a pile of snow a day after a heavy snowfall in Moscow on January 15, 2021, with the air temperature at around -14 degrees Celsius. (Photo by Natalia KOLESNIKOVA / AFP)

TOPSHOT - A boy makes his way to the top of a slope as he enjoys his time at a park near the Novodevichy convent during a snowfall in Moscow on January 14, 2021, with the air temperature at around -14 degrees Celsius. (Photo by Natalia KOLESNIKOVA / AFP)

A woman walks her dog in a park in Moscow, Russia, Thursday, Jan. 14, 2021. The temperature in Moscow dropped down to -16 degree Celsius (3.2 degree Fahrenheit) during the day and to -21 at night (-5.8 degree Fahrenheit). (AP Photo/Pavel Golovkin)

A woman with children enjoy sledging with their dog in a park in Moscow, Russia, Thursday, Jan. 14, 2021. The temperature in Moscow dropped down to -16 degree Celsius (3.2 degree Fahrenheit) during the day and to -21 at night (-5.8 degree Fahrenheit). (AP Photo/Pavel Golovkin)

A child enjoys sledging in a park in Moscow, Russia, Thursday, Jan. 14, 2021. The temperature in Moscow dropped down to -16 degree Celsius (3.2 degree Fahrenheit) during the day and to -21 at night (-5.8 degree Fahrenheit). (AP Photo/Pavel Golovkin)

Men clear snow from a volleyball court, in a park in Moscow, Russia, Thursday, Jan. 14, 2021. The temperature in Moscow dropped down to -16 degree Celsius (3.2 degree Fahrenheit) during the day and to -21 at night (-5.8 degree Fahrenheit). (AP Photo/Pavel Golovkin)

A summer open-air theatre is covered by snow in a park in Moscow, Russia, Thursday, Jan. 14, 2021. The temperature in Moscow dropped down to -16 degree Celsius (3.2 degree Fahrenheit) during the day and to -21 at night (-5.8 degree Fahrenheit). (AP Photo/Pavel Golovkin)

People walk up the stairs of s a summer open-air theatre is covered by snow in a park in Moscow, Russia, Thursday, Jan. 14, 2021. The temperature in Moscow dropped down to -16 degree Celsius (3.2 degree Fahrenheit) during the day and to -21 at night (-5.8 degree Fahrenheit). (AP Photo/Pavel Golovkin)

A woman wearing a face mask to help curb the spread of the coronavirus, rides a bus in Moscow, Russia, Thursday, Jan. 14, 2021. Russia's President Vladimir Putin has ordered his government to expand the scale of the coronavirus vaccination effort that until now has been limited to certain social groups and professions. The worlds behind a bus window show a bus route name "Partizanskaya - Ostankino". (AP Photo/Alexander Zemlianichenko)

A worker rests by a monument of Soviet cosmonaut Yury Gagarin, at a construction site in Moscow, Russia, Thursday, Jan. 14, 2021, after snowfall. The temperature in Moscow dropped down to -16 degree Celsius (3.2 degree Fahrenheit) during the day and to -21 at night (-5.8 degree Fahrenheit). (AP Photo/Pavel Golovkin)

A man jogs after a major snowfall at a park in Moscow on January 14, 2021. - The air temperature in the Russian capital dropped to minus 14 degrees Celsius. (Photo by Kirill KUDRYAVTSEV / AFP)

A man wearing a face mask to protect against the coronavirus disease walks after a major snowfall in Moscow on January 14, 2021. - The air temperature in the Russian capital dropped to minus 14 degrees Celsius. (Photo by Kirill KUDRYAVTSEV / AFP)

A municipal worker cleans a walkway at a park after a major snowfall in Moscow on January 14, 2021. - The air temperature in the Russian capital dropped to minus 14 degrees Celsius. (Photo by Kirill KUDRYAVTSEV / AFP)

A man wearing a face mask to protect against the coronavirus disease walks after a major snowfall in Moscow on January 14, 2021. - The air temperature in the Russian capital dropped to minus 14 degrees Celsius. (Photo by Kirill KUDRYAVTSEV / AFP)

A woman wearing a face mask to protect against the coronavirus disease walks after a major snowfall in Moscow on January 14, 2021. - The air temperature in the Russian capital dropped to minus 14 degrees Celsius. (Photo by Kirill KUDRYAVTSEV / AFP)

Municipal workers clean snow on Red Square during a heavy snowfall in Moscow on January 14, 2021. (Photo by Alexander NEMENOV / AFP)

Municipal workers clean snow on Red Square during a heavy snowfall in Moscow on January 14, 2021. (Photo by Alexander NEMENOV / AFP)

Municipal workers clean snow on Red Square during a heavy snowfall in Moscow on January 14, 2021. (Photo by Alexander NEMENOV / AFP)

Municipal workers clean snow on Red Square during a heavy snowfall in Moscow on January 14, 2021. (Photo by Alexander NEMENOV / AFP)

People walk along Red Square after a heavy snowfall in Moscow on January 14, 2021. - Almost 20% of the monthly snowfall fell in Moscow overnight, local media report. (Photo by Alexander NEMENOV / AFP)

A boy plays with snow at Red Square after a heavy snowfall in Moscow on January 14, 2021. - Almost 20% of the monthly snowfall fell in Moscow overnight, local media report. (Photo by Alexander NEMENOV / AFP)