People walk among yellowish trees at Kolomenskoye Park during autumn season in Moscow, Russia on October 03, 2021. (Photo by Sefa Karacan/Anadolu Agency via Getty Images)

Two Iranian women walk past a mural depicting a flying dove at a street in Tehran, Iran, 01 November 2021. The Iranian Ministry of Foreign Affairs announced that the Islamic Republic is ready to return to nuclear talks in Vienna before the end of November. Iran also proposed to the US administration to lift the sanctions and to start negotiations. Iran is facing an economic crisis under US heavy sanctions following the United States' withdrawal from a nuclear deal in 2018. (Photo by Abedin Taherkenareh/EPA/EFE)

A Russian soldier takes part in drills at the Kadamovskiy firing range in the Rostov region in southern Russia, Wednesday, December 22, 2021. Russian Foreign Minister Sergey Lavrov says that Russian and U.S. negotiators will sit down for talks early next year to discuss Moscow's demand for Western guarantees precluding NATO's expansion to Ukraine. (Photo by AP Photo/Stringer)

A robot, developed by start-up firm Asimov Robotics, holds a tray with face masks and sanitizer after the two robots were launched to spread awareness about the coronavirus, in Kochi, India, March 17, 2020. (Photo by Sivaram V/Reuters)

Peng Jing, 24, attends her wedding photography shoot after the lockdown was lifted in Wuhan, capital of Hubei province and China's epicentre of the novel coronavirus disease (COVID-19) outbreak, April 15, 2020. (Photo by Aly Song/Reuters)

Artists perform as people watch from the safety of their cars, during the Art Parking drive-in festival in Prague, Czech Republic, Sunday, April 26, 2020. Artists in Czech Republic are finding different ways to perform as regular theaters remain closed in an effort to stem the spread of coronavirus. (Photo by Petr David Josek/AP Photo)

A boy fires blanks from a Kalashnikov rifle, during Maslenitsa celebrations, or Shrovetide, to say farewell to winter in Minsk, Belarus, Sunday, March 1, 2020. Maslenitsa is a traditional Russian and Belarusian holiday marking the end of winter that dates back to pagan times. (Photo by Sergei Grits/AP Photo)

Grave diggers wearing personal protective equipment (PPE) walk away after burying a person, who presumably died of the coronavirus disease (COVID-19), in the special purpose section of a graveyard on the outskirts of Saint Petersburg, Russia on May 13, 2020. (Photo by Anton Vaganov/Reuters)