Kremlin's Spasskaya Tower is seen behind Christmas decorations at Red Square in Moscow on December 5, 2019. (Photo by Alexander NEMENOV / AFP)

Kremlin's Spasskaya Tower is seen behind Christmas decorations at Red Square in Moscow on December 5, 2019. (Photo by Alexander NEMENOV / AFP)

People walk by a New Year tree at Red Square in Moscow on December 5, 2019. (Photo by Alexander NEMENOV / AFP)

A woman drinks as people walk by a New Year tree at Red Square in Moscow on December 5, 2019. (Photo by Alexander NEMENOV / AFP)

Police officers stand guard at Manezhnaya Square decorated with New Year trees as a girl plays nearby in downtown Moscow on December 5, 2019. (Photo by Alexander NEMENOV / AFP)

Russian Ushanka hats some decorated with the country's coat of arms are seen on sale at a gift shop in downtown Moscow on December 5, 2019. - The executive committee of the World Anti-Doping Agency will meet in Lausanne on December 9 to consider a recommendation for the ban, which would exclude Russians from major sports events including the 2020 Tokyo Olympics and 2022 Beijing Winter Olympics. A WADA review panel has accused Moscow of falsifying laboratory data handed over to investigators as part of a probe into the doping allegations that have plagued Russia for years. (Photo by Dimitar DILKOFF / AFP)

T-shirts featuring Russian President Vladimir Putin are seen on sale at a gift shop in downtown Moscow on December 5, 2019. - The executive committee of the World Anti-Doping Agency will meet in Lausanne on December 9 to consider a recommendation for the ban, which would exclude Russians from major sports events including the 2020 Tokyo Olympics and 2022 Beijing Winter Olympics. A WADA review panel has accused Moscow of falsifying laboratory data handed over to investigators as part of a probe into the doping allegations that have plagued Russia for years. (Photo by Dimitar DILKOFF / AFP)

T-shirts featuring Russian President Vladimir Putin are seen on sale at a gift shop in downtown Moscow on December 5, 2019. - The executive committee of the World Anti-Doping Agency will meet in Lausanne on December 9 to consider a recommendation for the ban, which would exclude Russians from major sports events including the 2020 Tokyo Olympics and 2022 Beijing Winter Olympics. A WADA review panel has accused Moscow of falsifying laboratory data handed over to investigators as part of a probe into the doping allegations that have plagued Russia for years. (Photo by Dimitar DILKOFF / AFP)

A Russian ice hockey jersey hangs among other stuff at a gift shop in downtown Moscow on December 5, 2019. - The executive committee of the World Anti-Doping Agency will meet in Lausanne on December 9 to consider a recommendation for the ban, which would exclude Russians from major sports events including the 2020 Tokyo Olympics and 2022 Beijing Winter Olympics. A WADA review panel has accused Moscow of falsifying laboratory data handed over to investigators as part of a probe into the doping allegations that have plagued Russia for years. (Photo by Dimitar DILKOFF / AFP)

A man wearing a Russian ice hockey jersey distributes leaflets in downtown Moscow on December 5, 2019. - The executive committee of the World Anti-Doping Agency will meet in Lausanne on December 9 to consider a recommendation for the ban, which would exclude Russians from major sports events including the 2020 Tokyo Olympics and 2022 Beijing Winter Olympics. A WADA review panel has accused Moscow of falsifying laboratory data handed over to investigators as part of a probe into the doping allegations that have plagued Russia for years. (Photo by Dimitar DILKOFF / AFP)

A woman walks past Christmas and New Year decorations near the entrance to Kropotkinskaya metro station in Moscow on December 5, 2019. (Photo by Yuri KADOBNOV / AFP)

A woman walks on an embankment of the Moskva river in Moscow on December 5, 2019. (Photo by Yuri KADOBNOV / AFP)

A woman walks on an embankment of the Moskva river in Moscow on December 5, 2019. (Photo by Yuri KADOBNOV / AFP)

Two women walk past the walls of the 16th-century Donskoy Monastery in Moscow on December 5, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

A woman walks past the walls of the 16th-century Donskoy Monastery in Moscow on December 5, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

People walk at the 16th-century Donskoy Monastery in Moscow on December 5, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

A woman walks past the walls of the 16th-century Donskoy Monastery in Moscow on December 5, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

A woman speaks on her smartphone as she walks past the walls of the 16th-century Donskoy Monastery in Moscow on December 5, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Pigeons fly next to a graffiti in downtown Moscow on December 4, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

A man is reflected in a puddle as he walks past Orthodox St. Clement's Church in downtown Moscow on December 4, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Birds fly above an Orthodox church and ventilation pipes in downtown Moscow on December 4, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

A policeman stands in front of the Russian embassy in Berlin, on December 4, 2019. - Germany expelled two Russian diplomats after prosecutors said Moscow could be behind the killing of a former Chechen rebel commander in a Berlin park. (Photo by John MACDOUGALL / AFP)

People pass by the Russian embassy in Berlin, on December 4, 2019. - Germany expelled two Russian diplomats after prosecutors said Moscow could be behind the killing of a former Chechen rebel commander in a Berlin park. (Photo by John MACDOUGALL / AFP)

A woman cycles past the Russian embassy in Berlin, on December 4, 2019. - Germany expelled two Russian diplomats after prosecutors said Moscow could be behind the killing of a former Chechen rebel commander in a Berlin park. (Photo by John MACDOUGALL / AFP)

The Russian flag flies on the roof of the Russian embassy in Berlin, on December 4, 2019. - Germany expelled two Russian diplomats after prosecutors said Moscow could be behind the killing of a former Chechen rebel commander in a Berlin park. (Photo by John MACDOUGALL / AFP)

A woman walks on a street during a snowfall in Moscow on December 4, 2019. (Photo by Dimitar DILKOFF / AFP)

A young woman stands on a pedestrian bridge at the Zaryadye Park during a snowfall in Moscow, with St Basil's Cathedral and the Kremlin's towers seen in the background, on December 4, 2019. (Photo by Dimitar DILKOFF / AFP)

People walk on a pedestrian bridge at the Zaryadye Park during a snowfall in Moscow on December 4, 2019. (Photo by Dimitar DILKOFF / AFP)

People walk on Red Square by the Kremlin during a snowfall in Moscow on December 4, 2019. (Photo by Dimitar DILKOFF / AFP)

People ride on swings in downtown Moscow on December 4, 2019. (Photo by Dimitar DILKOFF / AFP)

The Russian embassy is pictured in Berlin, on December 4, 2019. - Germany expelled two Russian diplomats after prosecutors said Moscow could be behind the killing of a former Chechen rebel commander in a Berlin park. (Photo by John MACDOUGALL / AFP)

MOSCOW, RUSSIA - DECEMBER 04: A woman goes down the stairs during snowfall in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: A worker is seen with his shovel during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: People walk through snow covered road during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: People walk through snow covered road during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: People walk through snow covered road during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: People walk through snow covered road during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: People walk through snow covered road during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: A woman walks through snow covered road during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: A woman walks through snow covered road during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: A worker plows through the street during snowfall in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

MOSCOW, RUSSIA - DECEMBER 04: Women walk through snow covered road during snowfall at the street in Moscow, Russia on December 04, 2019. Sefa Karacan / Anadolu Agency/ABACAPRESS.COM

A woman walks on an embankment of the Moskva river, with Moscow's Novodevichy Convent seen in the background, on December 3, 2019. (Photo by Alexander NEMENOV / AFP)

A woman uses her smartphone as she walks past a statue of Marilyn Monroe placed outside a cafe in downtown Moscow on December 3, 2019. (Photo by Yuri KADOBNOV / AFP)

A couple walks out of an underground crossing in downtown Moscow on December 3, 2019. (Photo by Yuri KADOBNOV / AFP)

A woman uses her smartphone as she walks past a statue of Marilyn Monroe placed outside a cafe in downtown Moscow on December 3, 2019. (Photo by Yuri KADOBNOV / AFP)

Москва. Вид на здание `Лежачий небоскреб` на Варшавском шоссе.

Москва. `Дом-корабль` на улице Большая Тульская.

Москва. `Дом-корабль` на улице Большая Тульская.

Москва. `Дом-корабль` на улице Большая Тульская.

Москва. `Дом-корабль` на улице Большая Тульская.

Москва. Голуби на одной из улиц города.

Москва. Голуби на одной из улиц города.

Москва. Голуби на одной из улиц города.

Москва. Вид на здание `Лежачий небоскреб` (справа) на Варшавском шоссе.