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 woman wearing a face mask to help curb the spread of the coronavirus gets fever checked before going into the Pyongyang Railway Station in Pyongyang, North Korea, Thursday, August 13, 2020. (Photo by Jon Chol Jin/AP Photo)

Zimbabwe University students run away from police during a protest outside the magistrates courts in Harare, Monday, September 14, 2020. Police broke up the protest and arrested some students demonstrating in support of a university union leader who was making a court appearance following his arrest for protesting against human rights abuses in the country. (Photo by Tsvangirayi Mukwazhi/AP Photo)

A statue of Vladimir Lenin in 1905 Goda Square in Yekaterinburg, Russia on October 14, 2020, with a face mask put on and signed “Protect Yourself and the Ones You Love”. A group of medical volunteers has put face masks on local statues with consent from the authorities. (Photo by Donat Sorokin/TASS)

A dog plays amid a heavy snowfall in Madrid on January 9, 2021. Heavy snow fell across much of Spain, leaving huge areas blanketed in white as Storm Filomena brought wintry weather not seen in decades to the Iberian peninsula. (Photo by Benjamin Cremel/AFP Photo)

A girl wearing a face mask as a precaution against the coronavirus walks past a display of garments at a market in Bengaluru, India, Saturday, January 9, 2021. India will kick off the coronavirus vaccination drive on Jan. 16 to stem the pandemic in the world's second-most populous country. A Health Ministry statement says that priority will be given to the healthcare workers and the frontline workers, estimated around 30 million. (Photo by Aijaz Rahi/AP Photo)

A young Sandinista guerrilla takes aim with his 45 pistol as he stands waiting to do combat with the Nicaraguan National Guard in Managua June 23, 1979. The guerrillas still occupy major parts of the Capitol City. (Photo by McLendon/AP Photo)