Workers clear a thin coating of snow and ice from the sidewalk in front of the White House in Washington, U.S. February 18, 2021. REUTERS/Jonathan Ernst

A thin coating of snow and ice covers the lawn in front of the White House in Washington, U.S. February 18, 2021. REUTERS/Jonathan Ernst

Louisville, Kentucky is seen in the distance as ice coats a sidewalk along the Ohio River, during a winter storm in Clarksville, Indiana, U.S., February 15, 2021. REUTERS/Bryan Woolston

Soccer Football - Primeira Liga - Sporting CP v Pacos de Ferreira - Estadio Jose Alvalade, Lisbon, Portugal - February 15, 2021 Sporting CP's Sebastian Coates celebrates after the match REUTERS/Pedro Nunes

Soccer Football - Primeira Liga - Sporting CP v Pacos de Ferreira - Estadio Jose Alvalade, Lisbon, Portugal - February 15, 2021 Pacos de Ferreira's Douglas Willian Da Silva Souza in action with Sporting CP's Sebastian Coates REUTERS/Pedro Nunes

Veterinary Nurses Amanda Guthrie and Sheryl Bradley carry out a routine health check on Velma the Coati in the veterinary hospital at ZSL London Zoo, as zookeepers continue to tend to thousands of animals with the zoo remained closed to the public, amid the coronavirus disease (COVID-19) outbreak in London, Britain, February 10, 2021. Picture taken February 10, 20201. REUTERS/Hannah McKay

Veterinary Nurses Amanda Guthrie and Sheryl Bradley carry out a routine health check on Velma the Coati in the veterinary hospital at ZSL London Zoo, as zookeepers continue to tend to thousands of animals with the zoo remained closed to the public, amid the coronavirus disease (COVID-19) outbreak in London, Britain, February 10, 2021. Picture taken February 10, 20201. REUTERS/Hannah McKay

A person wearing a winter coat walks on the bank of the frozen Spree river in Berlin, Germany, February 10, 2021. REUTERS/Annegret Hilse

Chinese scientists and officials in lab coats wait at the Hubei Animal Epidemic Disease Prevention and Control Center during a visit of a team of the World Health Organization (WHO), tasked with investigating the origins of the coronavirus disease (COVID-19), in Wuhan, Hubei province, China February 2, 2021. REUTERS/Thomas Peter

Soccer Football - Primeira Liga - Sporting CP v Benfica - Estadio Jose Alvalade, Lisbon, Portugal - February 1, 2021 Benfica's Darwin Nunez in action with Sporting CP's Sebastian Coates REUTERS/Pedro Nunes

Soccer Football - Primeira Liga - Sporting CP v Benfica - Estadio Jose Alvalade, Lisbon, Portugal - February 1, 2021 Sporting CP's Sebastian Coates in action with Benfica's Nicolas Otamendi and Odysseas Vlachodimos REUTERS/Pedro Nunes

Pine needles and stones are covered in a light coating of snow in Central Park in Manhattan in New York City, New York, U.S., January 26, 2021. REUTERS/Mike Segar

Soccer Football - Taca da Liga - Final - Sporting CP v S.C. Braga - Estadio Dr. Magalhaes Pessoa, Leiria, Portugal - January 23, 2021 Sporting CP's Sebastian Coates and teammates celebrate with the trophy after winning the Taca da Liga REUTERS/Pedro Nunes

Soccer Football - Taca da Liga - Final - Sporting CP v S.C. Braga - Estadio Dr. Magalhaes Pessoa, Leiria, Portugal - January 23, 2021 Sporting CP's Sebastian Coates and teammates celebrate with the trophy after winning the Taca da Liga REUTERS/Pedro Nunes

Soccer Football - Taca da Liga - Final - Sporting CP v S.C. Braga - Estadio Dr. Magalhaes Pessoa, Leiria, Portugal - January 23, 2021 Sporting CP's Sebastian Coates with teammate after Pedro Porro scored their first goal REUTERS/Pedro Nunes

The emblem of the Beijing 2022 Winter Olympic Games is seen on the coat of a staff member during an organised media tour to Beijing Winter Olympic and Paralympic Village in Beijing, China January 22, 2021. REUTERS/Tingshu Wang

The coat of arms of Zurich is seen on urns at the Crematorium Nordheim as the coronavirus disease (COVID-19) outbreak continues in Zurich, Switzerland January 19, 2021. Picture taken January 19, 2021. REUTERS/Arnd Wiegmann

The coat of arms of Zurich is seen on urns at the Crematorium Nordheim as the coronavirus disease (COVID-19) outbreak continues in Zurich, Switzerland January 19, 2021. Picture taken January 19, 2021. REUTERS/Arnd Wiegmann

Avril Haines and Dan Coats, former Director of National Intelligence, speak to each other during the Senate Intelligence Committee confirmation hearing to consider her to be President-elect Joe Biden's pick for national intelligence director in Washington, DC, U.S. January 19, 2021. Joe Raedle/Pool via REUTERS

Avril Haines and Dan Coats, former Director of National Intelligence, speak to each other during the Senate Intelligence Committee confirmation hearing to consider her to be President-elect Joe Biden's pick for national intelligence director in Washington, DC, U.S. January 19, 2021. Joe Raedle/Pool via REUTERS

Avril Haines (C) stands with Dan Coats (L), former Director of National Intelligence, and Senator Mark Warner (D-VA), incoming-Senate Intelligence Committee Chairman, before the start of the Senate Intelligence Committee confirmation hearing to be President-elect Joe Biden's pick for national intelligence director in Washington, DC, U.S. January 19, 2021. Joe Raedle/Pool via REUTERS

Dan Coats, former Director of National Intelligence, introduces Avril Haines during her confirmation hearing before the Senate Intelligence Committee to be President-electJoe Biden's national intelligence director in Washington, DC, U.S. January 19, 2021. Joe Raedle/Pool via REUTERS

Avril Haines (C) stands with Dan Coats (L), former Director of National Intelligence, and Senator Mark Warner (D-VA), incoming-Senate Intelligence Committee Chairman, before the start of the Senate Intelligence Committee confirmation hearing to be President-elect Joe Biden's pick for national intelligence director in Washington, DC, U.S. January 19, 2021. Joe Raedle/Pool via REUTERS

Avril Haines (C) and Dan Coats (L), former Director of National Intelligence, arrive at the start of the Senate Intelligence Committee to be President-elect Joe Biden's national intelligence director in Washington, DC, U.S. January 19, 2021. Joe Raedle/Pool via REUTERS

Former Director of National Intelligence Daniel Coats appears during the confirmation hearing for Nominee for Director of National Intelligence Avril Haines on Capitol Hill in Washington, U.S., January 19, 2021. Melina Mara/Pool via REUTERS

Former Director of National Intelligence Daniel Coats appears during the confirmation hearing for Nominee for Director of National Intelligence Avril Haines on Capitol Hill in Washington, U.S., January 19, 2021. Melina Mara/Pool via REUTERS

Former Director of National Intelligence Daniel Coats and Nominee for Director of National Intelligence Avril Haines attend the Senate Intelligence Committee during a confirmation hearing on Capitol Hill in Washington, U.S., January 19, 2021. Melina Mara/Pool via REUTERS

Former Director of National Intelligence Daniel Coats and Sen. Marco Rubio (R-FL) greet each other before the confirmation hearing for Nominee for Director of National Intelligence Avril Haines on Capitol Hill in Washington, U.S., January 19, 2021. Melina Mara/Pool via REUTERS

Former Director of National Intelligence Daniel Coats and Nominee for Director of National Intelligence Avril Haines arrive before the Senate Intelligence Committee during a confirmation hearing on Capitol Hill in Washington, U.S., January 19, 2021. Melina Mara/Pool via REUTERS

A child eats sugar-coated haws on a stick near a frozen lake which has been turned to an ice rink, following the coronavirus disease (COVID-19) outbreak, in Beijing, China January 16, 2021. REUTERS/Tingshu Wang

Soccer Football - Primeira Liga - Sporting CP v Rio Ave - Estadio Jose Alvalade, Lisbon, Portugal - January 15, 2021 Sporting CP's Sebastian Coates reacts REUTERS/Pedro Nunes

Soccer Football - Primeira Liga - Sporting CP v Rio Ave - Estadio Jose Alvalade, Lisbon, Portugal - January 15, 2021 Sporting CP's Sebastian Coates in action with Rio Ave's Gelson Dala REUTERS/Pedro Nunes

The remains of the city's Christmas tree "Bertl" are seen next to the city's coat of arms, an eagle, as the spread of the coronavirus disease (COVID-19) continues during an extended lockdown in Frankfurt, Germany, January 8, 2021. REUTERS/Kai Pfaffenbach

A sign reads "distance protects" under the coat of arms of a local brewery at the entrance of a closed beer bar as the spread of the coronavirus disease (COVID-19) continues during an extended lockdown in Frankfurt, Germany, January 8, 2021. REUTERS/Kai Pfaffenbach

Soccer Football - Primeira Liga - Sporting CP v S.C. Braga - Estadio Jose Alvalade, Lisbon, Portugal - January 2, 2021 Sporting CP's Sebastian Coates REUTERS/Pedro Nunes

A combination picture shows people wearing rain coats gathering at Bundaran Hotel Indonesia roundabout as they attend New Year's Eve celebrations on December 31, 2019, and an empty square during large-scale social restrictions to prevent the spread of coronavirus disease (COVID-19) on New Year's eve, December 31, 2020, in Jakarta, Indonesia. REUTERS/Willy Kurniawan, Ajeng Dinar Ulfiana

Soccer Football - Primeira Liga - Belenenses v Sporting CP - Estadio Nacional, Lisbon, Portugal - December 27, 2020 Sporting CP’s Sebastian Coates in action with Belenenses’ Stanislav Kritsyuk REUTERS/Pedro Nunes

The coat of Paul Dean, 35, a personal trainer from Northwich who delivers Christmas presents to local villages dressed as Santa Claus, is pictured in Davenham, Britain, November 25, 2020. "There's no one on my naughty list this year, it's been a terribly hard year for many people, so to get everyone in the Christmas spirit they have all made it onto my nice list!" said Dean. "I especially hope to bring joy to all the key workers who have been working throughout this difficult time, they deserve to have an extra special Christmas." REUTERS/Molly Darlington SEARCH "GLOBAL SANTA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

The coat of Paul Dean, 35, a personal trainer from Northwich who delivers Christmas presents to local villages dressed as Santa Claus, is pictured in Davenham, Britain, November 25, 2020. "There's no one on my naughty list this year, it's been a terribly hard year for many people, so to get everyone in the Christmas spirit they have all made it onto my nice list!" said Dean. "I especially hope to bring joy to all the key workers who have been working throughout this difficult time, they deserve to have an extra special Christmas." REUTERS/Molly Darlington SEARCH "GLOBAL SANTA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

A two-headed eagle, official coat of arms of Russia, is pictured at New Jerusalem Monastery during sunset in Istra, Moscow region, Russia December 5, 2020. Picture taken with a drone. REUTERS/Maxim Shemetov

A customer tries on a mink fur coat in a store selling mink fur clothing at a shopping mall in Shangcun, Hebei Province, China November 19, 2020. Picture taken November 19, 2020. REUTERS/Carlos Garcia Rawlins

Mink fur coats are seen in a store selling mink fur clothing at a shopping mall in Shangcun, Hebei Province, China November 19, 2020. Picture taken November 19, 2020. REUTERS/Carlos Garcia Rawlins

People look at mink fur coats in a store selling mink fur clothing at a shopping mall in Shangcun, Hebei Province, China November 19, 2020. Picture taken November 19, 2020. REUTERS/Carlos Garcia Rawlins

Mink fur coats are seen in a store selling mink fur clothing at a shopping mall in Shangcun, Hebei Province, China November 19, 2020. Picture taken November 19, 2020. REUTERS/Carlos Garcia Rawlins

A seller waiting for clients stands next to mink fur coats in a store selling mink fur clothing at a shopping mall in Shangcun, Hebei Province, China November 19, 2020. Picture taken November 19, 2020. REUTERS/Carlos Garcia Rawlins

Evan Gunthrop puts on a hair net and white coat before entering the meat processing. Turkeys are distributed ahead of Thanksgiving and amid the coronavirus disease (COVID-19) outbreak in LaGrange, Indiana, U.S., November 20, 2020. REUTERS/Emily Elconin

Christophe Dubi, Executive Director of Olympic Games (on screen), John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, and President of Tokyo 2020 Yoshiro Mori attend a joint press conference at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, President of Tokyo 2020 Yoshiro Mori and CEO of Tokyo 2020 Toshiro Muto attend a joint press conference at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, and President of Tokyo 2020 Yoshiro Mori attend a joint press conference at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, and President of Tokyo 2020 Yoshiro Mori bump elbows after attending a joint press conference at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

President of Tokyo 2020 Yoshiro Mori wears a face mask as he speaks during a joint press conference with John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, and President of Tokyo 2020 Yoshiro Mori attend a joint press conference at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, President of Tokyo 2020 Yoshiro Mori and CEO of Tokyo 2020 Toshiro Muto attend a joint press conference at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, wears a face mask as he speaks during a joint press conference with the organizers of Tokyo 2020 at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, and President of Tokyo 2020 Yoshiro Mori attend a joint press conference at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

President of Tokyo 2020 Yoshiro Mori wears a face mask as he speaks during a joint press conference with John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, President of Tokyo 2020 Yoshiro Mori, CEO of Tokyo 2020 Toshiro Muto and Spokesperson of Tokyo 2020 Masa Takaya attend a joint press conference at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, wears a face mask as he speaks during a joint press conference with the organizers of Tokyo 2020 at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, wears a face mask as he speaks during a joint press conference with the organizers of Tokyo 2020 at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS

President of Tokyo 2020 Yoshiro Mori wears a face mask as he speaks during a joint press conference with John Coates, Chairman of the Coordination Commission for the Games of the XXXII Olympiad Tokyo 2020, at Harumi Island Triton Square Tower Y in Tokyo, Japan November 18, 2020. Rodrigo Reyes Marin/Pool via REUTERS