A tram rides along a street on a frosty day in Omsk, Russia November 23, 2020. REUTERS/Alexey Malgavko

Steam rises from chimneys of a heating power plan over the skyline of central Moscow, Russia November 23, 2020. REUTERS/Maxim Shemetov

Steam rises from chimneys of a thermal power plant and the Gazprom Neft's oil refinery on a frosty winter day in Omsk, Russia November 23, 2020. REUTERS/Alexey Malgavko

Steam rises from chimneys of a thermal power plant and the Gazprom Neft's oil refinery on a frosty winter day in Omsk, Russia November 23, 2020. REUTERS/Alexey Malgavko

People walk past a graffiti depicting a healthcare worker fighting the virus, amid the outbreak of the coronavirus disease (COVID-19) in Omsk, Russia November 23, 2020. REUTERS/Alexey Malgavko

A man wearing a protective face mask walks past a graffiti depicting a healthcare worker fighting the virus, amid the outbreak of the coronavirus disease (COVID-19) in Omsk, Russia November 23, 2020. REUTERS/Alexey Malgavko

Man walks through a snow-covered Zaryadye park in Moscow, Russia November 23, 2020. REUTERS/Maxim Shemetov

Man walks along the bridge with a Stalin-era skyscraper in the background in Moscow, Russia November 23, 2020. REUTERS/Maxim Shemetov

Cars drive along the embankment of Moskva river by towers of the Kremlin in Moscow, Russia November 23, 2020. REUTERS/Maxim Shemetov

Industrial climbers remove snow from the Zaryadye pavilion roof in central Moscow, Russia November 23, 2020. REUTERS/Maxim Shemetov

Spasskaya tower of the Kremlin is seen through trees in Moscow, Russia November 23, 2020. REUTERS/Maxim Shemetov

People enjoy ice skating on the frozen Kama River near the town of Laishevo in the Republic of Tatarstan, Russia November 22, 2020. Picture taken November 22, 2020. REUTERS/Alexey Nasyrov

Fishermen walk along the frozen Kama River near the town of Laishevo in the Republic of Tatarstan, Russia November 22, 2020. Picture taken November 22, 2020. REUTERS/Alexey Nasyrov

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Tuktamysheva in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Tuktamysheva in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Tuktamysheva in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Aleksandra Boikova and Dmitrii Kozlovskii in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Aleksandra Boikova and Dmitrii Kozlovskii in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Alina Zagitova in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Alina Zagitova in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Anastasia Mishina and Aleksandr Galliamov in action during the Exhibition Gala REUTERS/Evgenia Novozhenina TPX IMAGES OF THE DAY

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Anastasia Mishina and Aleksandr Galliamov in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Alina Zagitova in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Alina Zagitova in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Alina Zagitova in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Khudaiberdieva and Egor Bazin in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Khudaiberdieva and Egor Bazin in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Azerbaijan's Vladimir Litvintsev in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Annabelle Morozov and Andrei Bagin in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Annabelle Morozov and Andrei Bagin in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Belarus' Viktoria Semenjuk and Ilya Yukhimuk in action during the Exhibition Gala REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Anastasiia Guliakova celebrates finishing the Ladies Program in third place on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Alena Kostornaia celebrates finishing the Ladies Program in second place on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Tuktamysheva celebrates winning the Ladies Program on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Tuktamysheva celebrates winning the Ladies Program on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Tuktamysheva celebrates winning the Ladies Program on the podium with second-placed Russia's Alena Kostornaia and third-placed Russia's Anastasiia Guliakova REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Elizaveta Tuktamysheva celebrates winning the Ladies Program on the podium with second-placed Russia's Alena Kostornaia and third-placed Russia's Anastasiia Guliakova REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Anastasia Mishina and Aleksandr Galliamov celebrate finishing the Pairs Program in second place on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Apollinariia Panfilova and Dmitry Rylov celebrate finishing the Pairs Program in third place on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Aleksandra Boikova and Dmitrii Kozlovskii celebrate winning the Pairs Program on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Aleksandra Boikova and Dmitrii Kozlovskii celebrate winning the Pairs Program on the podium with second-placed Russia's Anastasia Mishina and Aleksandr Galliamov and third-placed Russia's Apollinariia Panfilova and Dmitry Rylov REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Tiffani Zagorski and Jonathan Guerreiro celebrate finishing the Ice Dance in second-place on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Anastasia Skoptcova and Kirill Aleshin celebrate finishing the Ice Dance in third-place on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Victoria Sinitsina and Nikita Katsalapov celebrate winning the Ice Dance on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Victoria Sinitsina and Nikita Katsalapov celebrate winning the Ice Dance on the podium with second-placed Russia's Tiffani Zagorski and Jonathan Guerreiro and third-placed Russia's Anastasia Skoptcova and Kirill Aleshin REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Mikhail Kolyada celebrates winning the Men's Program on the podium REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Megasport Sport Palace, Moscow, Russia - November 22, 2020 Russia's Mikhail Kolyada celebrates winning the Men's Program on the podium with second-placed Georgia's Morisi Kvitelashvili and third-placed Russia's Petr Gumennik REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Alena Kostornaia in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Elizaveta Tuktamysheva in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Elizaveta Tuktamysheva in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Elizaveta Tuktamysheva in action REUTERS/Evgenia Novozhenina

Figure Skating - ISU Grand Prix of Figure Skating - 2020 Rostelecom Cup - Ladies Free Skating - Megasport Sport Palace, Moscow, Russia - November 21, 2020 Russia's Elizaveta Tuktamysheva in action REUTERS/Evgenia Novozhenina