Children, wearing red neckerchiefs, a symbol of the Pioneer Organization, salute during a ceremony for the inauguration of 18 new members at a local school in the southern settlement of Kazminskoye in Stavropol region, Russia, November 19, 2015. Early pro-communist youth movements, which appeared in Russia after the 1917 Bolshevik revolution, were reformed into the Pioneer Organization of the Soviet Union. While the organization lost its dominance among students in post-Soviet Russia, some educational institutions and families still carry on this tradition. (Photo by Eduard Korniyenko/Reuters)

Fifth-grade students of the General Yermolov Cadet School get prepared before their first military tactical exercise on the ground, which includes radiation resistance classes, forest survival studies and other activities, in Stavropol, Russia, September 10, 2016. Picture taken September 10, 2016. (Photo by Eduard Korniyenko/Reuters)

Russian people walk during heavy rain in Moscow, Russia on 17 September 2020. Over two hours a third of the monthly average rainfall fell in Moscow. (Photo by Yuri Kochetkov/EPA/EFE)

People attend a master class in Latin American dances on the deck outside No 84 Pavilion in VDNKh Exhibition Centre in Moscow, Russia on July 4, 2020. The event opens this year's season of outdoor dancing in VDNKh. (Photo by Artyom Geodakyan/TASS)

An entertainer walks during snowfall at the Exhibition of Achievements of National Economy (VDNKh) in Moscow, Russia on December 18, 2022. (Photo by Yulia Morozova/Reuters)

Girls in ballet dresses pose near St. Basil's Cathedral and the Kremlin's Spasskaya Tower in Red Square in central Moscow, Russia on July 19, 2023. (Photo by Evgenia Novozhenina/Reuters)

A dachshund dressed as a leo walks a podium during a dachshund parade festival in St. Petersburg, Russia, Saturday, September 16, 2023. (Photo by Dmitri Lovetsky/AP Photo)

A woman walks between Christmas trees at a Christmas market opened prior to incoming Christmas and New Year festivities in St. Petersburg, Russia, Friday, December 15, 2023. (Photo by Dmitri Lovetsky/AP Photo)