The Mil Mi-28 N military helicopter is seen at the MAKS 2019 air show in Zhukovsky, outside Moscow, Russia, August 27, 2019. (Photo by Maxim Shemetov/Reuters)

A mural on an apartment block created as part of the Urban Morphogenesis street art festival in the Novaya Tryokhgorka residential neighbourhood in the town of Odintsovo in Moscow Region, Russia on August 31, 2019. (Photo by Valery Sharifulin/TASS)

Anfisa, a twelve-year-old female chimpanzee, picks its nose at the Royev Ruchey Zoo in a suburb of the Siberian city of Krasnoyarsk, Russia on October 18, 2017. (Photo by Ilya Naymushin/Reuters)

Antonina Yermokhina, 86, does physical exercises during her daily training session on the embankment of the Yenisei River in the Siberian town of Divnogorsk, Russia November 13, 2017. (Photo by Ilya Naymushin/Reuters)

Hunting for a Salmon (more precisely – Oncorhynchus nerka). Scene of action: Kuril lake, Kamchatka, Russia. Action time: October – end of November, 2012. (Photo by Sergey Gorshkov)

“Ой, да не вечер” – the Russian national song. It is also known under the name “Stepan Razin's Dream”. It is sung on behalf of Cossack Stepan Razin ((1630–1671) was a Cossack leader who led a major uprising against the nobility and Tsar's bureaucracy in South Russia) who tells the bad dream foretelling trouble. Sings: Pelagea Sergeevna Efimova (born 14.06.1986 in Novosibirsk, Russia).

A woman visits a room in a house built upside-down in Russia's Siberian city of Krasnoyarsk, December 14, 2014. The house was constructed as an attraction for local residents and tourists. (Photo by Ilya Naymushin/Reuters)

A military instructor helps a boy to shoot a rifle with blanks at a weapon exhibition during a military show in St.Petersburg, Russia, Sunday, January 17, 2016. (Photo by Dmitry Lovetsky/AP Photo)