Firefighters of Schutz & Rettung Zurich communal rescue service treat a person during the emergency exercise "McFly 21" at Zurich Airport, Switzerland October 26, 2021. REUTERS/Arnd Wiegmann

Firefighters of Schutz & Rettung Zurich communal rescue service carry a person during the emergency exercise "McFly 21" in front of an Airbus A320 aircraft of Swiss airlines at Zurich Airport, Switzerland October 26, 2021. REUTERS/Arnd Wiegmann

A person holds the 'discharge certificate' for Germany's acting Chancellor Angela Merkel at the Bellevue Palace in Berlin, Germany, October 26, 2021. REUTERS/Hannibal Hanschke

Firefighters of Schutz & Rettung Zurich communal rescue service help a person during the emergency exercise "McFly 21" in front of an Airbus A320 aircraft of Swiss airlines at Zurich Airport, Switzerland October 26, 2021. REUTERS/Arnd Wiegmann

Firefighters of Schutz & Rettung Zurich communal rescue service carry a person during the emergency exercise "McFly 21" in front of an Airbus A320 aircraft of Swiss airlines at Zurich Airport, Switzerland October 26, 2021. REUTERS/Arnd Wiegmann

A person with an umbrella walks through Times Square in the rain in the Manhattan borough of New York City, New York, U.S., October 26, 2021. REUTERS/Carlo Allegri

A person with an umbrella walks through Times Square in the rain in the Manhattan borough of New York City, New York, U.S., October 26, 2021. REUTERS/Carlo Allegri

A person with an umbrella walks in the rain in the Manhattan borough of New York City, New York, U.S., October 26, 2021. REUTERS/Carlo Allegri

A person walks through Times Square during a nor'easter in New York, U.S. October 26, 2021. REUTERS/Caitlin Ochs

A person sells umbrellas during a nor'easter in New York, U.S., October 26, 2021. REUTERS/Caitlin Ochs

A person secures their plastic poncho while walking in Manhattan during a nor'easter in New York, U.S. October 26, 2021. REUTERS/Caitlin Ochs

A person is seen wearing a raincoat during a nor'easter in New York, U.S. October 26, 2021. REUTERS/Caitlin Ochs

A person jumps over a puddle to the curb during a nor'easter in New York, U.S. October 26, 2021. REUTERS/Caitlin Ochs

A person with an umbrella walks in the rain in the Manhattan borough of New York City, New York, U.S. October 26, 2021. REUTERS/Carlo Allegri

A person holds a national flag upside down outside the Reichstag building ahead of the inaugural session of the German lower house of Parliament Bundestag in Berlin, Germany, October 26, 2021. REUTERS/Hannibal Hanschke

Police officers approach a person outside the Reichstag building ahead of the inaugural session of the German lower house of Parliament Bundestag in Berlin, Germany, October 26, 2021. REUTERS/Hannibal Hanschke

A person walks across the street in front of a construction site in Taipei, Taiwan, October 26, 2021. REUTERS/Ann Wang

Medical personal transfer a patient from an air ambulance which departed Regina Saskatchewan to a waiting ambulance at Pearson International Airport in Mississauga, Ontario, Canada October 25, 2021. REUTERS/Carlos Osorio

Medical personal transfer a patient from an air ambulance which departed Regina Saskatchewan to a waiting ambulance at Pearson International Airport in Mississauga, Ontario, Canada October 25, 2021. REUTERS/Carlos Osorio

Medical personal transfer a patient from an air ambulance which departed Regina Saskatchewan to a waiting ambulance at Pearson International Airport in Mississauga, Ontario, Canada October 25, 2021. REUTERS/Carlos Osorio

Medical personal transfer a patient from an air ambulance which departed Regina Saskatchewan to a waiting ambulance at Pearson International Airport in Mississauga, Ontario, Canada October 25, 2021. REUTERS/Carlos Osorio

Medical personal transfer a patient from an air ambulance which departed Regina Saskatchewan to a waiting ambulance at Pearson International Airport in Mississauga, Ontario, Canada October 25, 2021. REUTERS/Carlos Osorio

A girl disinfects her hands at the school gate, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

A teacher keeps children's backpacks on a shelf outside the classroom, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

A girl disinfects her hands at the school gate, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

A girl wears a protective face shield as she stands in line outside of her primary school on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

Children stand in line outside of their primary school on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

Two girls adhere to social distancing rules at a school table in classroom, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

A teacher talks to children in classroom about bio-safety rules, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

A teacher talks to children in the classroom about bio-safety rules, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

A school worker waits at the door to disinfect the hands of children who come to school, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

A boy wears a protective face shield as he writes the task of the day, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

A girl walkes down the school hall to go to the bathroom to wash her hands, on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

Children stand in line outside of their primary school on the first day back to in-person instruction after it was suspended due to the coronavirus disease (COVID-19), in Caracas, Venezuela October 25, 2021. REUTERS/Leonardo Fernandez Viloria

Pope Francis greets a person during the meeting for the ecumenical pilgrimage to Rome, at the Paul VI Audience Hall, in the Vatican, October 25, 2021. REUTERS/Guglielmo Mangiapane

Pope Francis greets a person during the meeting for the ecumenical pilgrimage to Rome, at the Paul VI Audience Hall, in the Vatican, October 25, 2021. REUTERS/Guglielmo Mangiapane

A person carries flowers during a vigil for late cinematographer Halyna Hutchins, who was fatally shot on the film set of "Rust", in Burbank, California, U.S. October 24, 2021. Picture taken October 24, 2021. REUTERS/Aude Guerrucci

A person holds a candle during a vigil for late cinematographer Halyna Hutchins, who was fatally shot on the film set of "Rust", in Burbank, California, U.S. October 24, 2021. Picture taken October 24, 2021. REUTERS/Aude Guerrucci

Skeleton - Beijing 2022 Winter Olympics Test Event - IBSF Skeleton International Sanctioned Race - Yanqing National Sliding Center, Yanqing, China - October 25, 2021 Austin Florian of the U.S. in action as a person poses for a photo during the men's skeleton REUTERS/Tingshu Wang

Primary students return to the Abbotsford Public School campus for in-person learning, following an extended coronavirus disease (COVID-19) lockdown, in Sydney, Australia, October 25, 2021. REUTERS/Loren Elliott

Primary students return to the Abbotsford Public School campus for in-person learning, following an extended coronavirus disease (COVID-19) lockdown, in Sydney, Australia, October 25, 2021. REUTERS/Loren Elliott

Primary students are greeted by the school mascot as they return to the Abbotsford Public School campus for in-person learning, following an extended coronavirus disease (COVID-19) lockdown, in Sydney, Australia, October 25, 2021. REUTERS/Loren Elliott

Primary students are greeted by the school mascot as they return to the Abbotsford Public School campus for in-person learning, following an extended coronavirus disease (COVID-19) lockdown, in Sydney, Australia, October 25, 2021. REUTERS/Loren Elliott

A person riding a foil board while carrying a hand-held inflatable sail surfs past salvage tug boats as they spray what appears to be water onto the container ship Zim Kingston after the crew were evacuated due to a fire on board, in Victoria, British Columbia, Canada October 24, 2021. REUTERS/Kevin Light

A person wears a costume during the MCM Comic Con event at ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears a Chainsaw Man costume during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears a costume during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears a costume during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears a costume during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears a Saitama costume from "One Punch Man" during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wearing a costume poses for a picture during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears a costume at a cafeteria during the MCM Comic Con event at ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls TPX IMAGES OF THE DAY

A person wears Jack Skellington costume from "The Nightmare Before Christmas" movie during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears Xiao costume from "Genshin Impact" game during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears Husk costume from "Hazbin Hotel" series during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wears King Dice costume from the game "Cuphead" during the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person wearing a "Squid Game" costume attends the MCM Comic Con event outside ExCeL in London, Britain, October 24, 2021. REUTERS/Peter Nicholls

A person takes a selfie near the stage before the first re-opening performance of "Phantom of the Opera" at the Majestic Theater in New York City, New York, U.S., October 22, 2021. Picture taken October 22, 2021. REUTERS/Caitlin Ochs

Formula One F1 - United States Grand Prix - Circuit of the Americas, Austin, Texas, U.S. - October 23, 2021 McLaren's Daniel Ricciardo drives Dale Earnhardt Sr's 1984 Chevrolet Monte Carlo NASCAR around the circuit REUTERS/Mike Blake

Palestinian film producer Mai Odeh poses for a photograph after an interview with Reuters at El Gouna Film Festival, in El Gouna, Egypt, October 22, 2021. Picture taken October 22, 2021. REUTERS/Sameh Elkhatib