Britain's Prime Minister Boris Johnson joins schoolchildren as they plant seeds for trees during a visit to Crumlin Integrated Primary School in County Antrim, Northern Ireland October 21, 2021. Paul Faith/Pool via REUTERS

Britain's Prime Minister Boris Johnson joins schoolchildren as they make a bug hotel during a visit to Crumlin Integrated Primary School in County Antrim, Northern Ireland October 21, 2021. Paul Faith/Pool via REUTERS

Britain's Prime Minister Boris Johnson joins schoolchildren as they plant seeds for trees during a visit to Crumlin Integrated Primary School in County Antrim, Northern Ireland October 21, 2021. Paul Faith/Pool via REUTERS

Britain's Prime Minister Boris Johnson plants a tree with help from P7 pupils Sophie and Oscar during a visit to Crumlin Integrated Primary School in County Antrim, Northern Ireland October 21, 2021. Paul Faith/Pool via REUTERS

Soldiers don a prototype of the U.S. Army?s Integrated Visual Augmentation System (IVAS) during a Soldier Touchpoint 3 (STP 3) squad reconnaissance mission test training event at Fort Pickett, Virginia, U.S., October 21, 2020. Picture taken October 21, 2020. Courtney Bacon/U.S. Army via REUTERS

Soldiers don a prototype of the U.S. Army?s Integrated Visual Augmentation System (IVAS) and wield a Squad immersive Virtual Trainer (SiVT) during a training environment test event at its third Soldier Touchpoint (STP 3) at Fort Pickett, Virginia, U.S., October 21, 2020. Picture taken October 21, 2020. Courtney Bacon/U.S. Army via REUTERS

Protesters in costumes take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People carry flags, as they take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party is seen in a camera viewfinder as he speaks during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party, speaks during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party is seen in a camera viewfinder as he speaks during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party, speaks during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party, gestures during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People hold flags and light up their mobile phones during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party, speaks during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People light up their mobile phones during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People carry flags, as they take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party, looks on as he speaks during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

A child holds a flag during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party, speaks during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Donald Tusk, leader of opposition Civic Platform (PO) party, speaks during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People carry flags as they take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People carry flags and signs, as they take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

A flag of EU is seen during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

A person holds a placard during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People carry flags and signs, as they take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

A man attends a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

A person holds a sign reading "Jarek come out of the closet, not the Union" during a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

People take part in a rally in support of Poland's membership in the European Union after the country's Constitutional Tribunal ruled on the primacy of the constitution over EU law, undermining a key tenet of European integration, in Warsaw, Poland, October 10, 2021. REUTERS/Kacper Pempel

Motorists drive past the Integrity Centre, Ethics and Anti-Corruption Commission (EACC) in Nairobi, Kenya, October 4, 2021. REUTERS/Thomas Mukoya

Stewart Ulsh, Republican commissioner in Fulton County Pennsylvania, testifies at hearing kicking off state Senate's "election integrity" investigation in Harrisburg, Pennsylvania, U.S., September 9, 2021. Picture taken September 9, 2021. REUTERS/Nathan Layne

Cris Dush, Republican state Senator in Pennsylvania, oversees hearing kicking off his "election integrity" investigation in Harrisburg, Pennsylvania, U.S., September 9, 2021. Picture taken September 9, 2021. REUTERS/Nathan Layne

Pennsylvania state Senators listen to testimony at hearing kicking off Republican "election integrity" investigation, in Harrisburg, Pennsylvania, U.S., September 9, 2021. Picture taken September 9, 2021. REUTERS/Nathan Layne

Cuban migrants Javier, Yasnier, and Carlos, under the Migrant Protection Protocols (MPP) program, visit the office of the Center for Integral Attention to Migrants to learn about their immigration status after the U.S. Supreme Court ordered to uphold an immigration policy implemented under former President Donald Trump that forced thousands of asylum seekers to stay in Mexico to await U.S. hearings, in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez

Cuban migrants under the Migrant Protection Protocols (MPP) program, visit the office of the Center for Integral Attention to Migrants to learn about their immigration status after the U.S. Supreme Court ordered to uphold an immigration policy implemented under former President Donald Trump that forced thousands of asylum seekers to stay in Mexico to await U.S. hearings, in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez

Cuban migrants under the Migrant Protection Protocols (MPP) program, visit the office of the Center for Integral Attention to Migrants to learn about their immigration status after the U.S. Supreme Court ordered to uphold an immigration policy implemented under former President Donald Trump that forced thousands of asylum seekers to stay in Mexico to await U.S. hearings, in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez

Cuban migrants under the Migrant Protection Protocols (MPP) program, visit the office of the Center for Integral Attention to Migrants to learn about their immigration status after the U.S. Supreme Court ordered to uphold an immigration policy implemented under former President Donald Trump that forced thousands of asylum seekers to stay in Mexico to await U.S. hearings, in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez

Cuban migrants under the Migrant Protection Protocols (MPP) program, visit the office of the Center for Integral Attention to Migrants to learn about their immigration status after the U.S. Supreme Court ordered to uphold an immigration policy implemented under former President Donald Trump that forced thousands of asylum seekers to stay in Mexico to await U.S. hearings, in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez

Cuban migrants under the Migrant Protection Protocols (MPP) program, visit the office of the Center for Integral Attention to Migrants to learn about their immigration status after the U.S. Supreme Court ordered to uphold an immigration policy implemented under former President Donald Trump that forced thousands of asylum seekers to stay in Mexico to await U.S. hearings, in Ciudad Juarez, Mexico August 26, 2021. REUTERS/Jose Luis Gonzalez

A giant banner reading 'Recovery Ship: Integrated Floating Isolation - Recovery, Training, Recreation' is seen on a passenger ship owned by the state-owned shipping company PT PELNI, KM Umsini, which has been modified as an isolation centre for the coronavirus disease (COVID-19) patients in Makassar, South Sulawesi province, Indonesia, August 9, 2021. Picture taken August 9, 2021. REUTERS/Abd. Rahman Muchtar

Artem Vaydner, head of controls and automation integration at UK electric van and bus maker Arrival, runs tests on production line robots at the startup's low-cost "microfactory" in Bicester, Britain, August 3, 2021. Picture taken August 3, 2021. REUTERS/Nick Carey

Tokyo 2020 Olympics - Swimming - Women's 4 x 200m Freestyle Relay - Medal Ceremony - Tokyo Aquatics Centre - Tokyo, Japan - July 29, 2021. Members of the China team integrated by Yang Junxuan of China, Tang Muhan of China, Zhang Yufei of China and Li Bingjie of China carry a flag after receiving the gold medal REUTERS/Kai Pfaffenbach

Tokyo 2020 Olympics - Swimming - Women's 4 x 200m Freestyle Relay - Medal Ceremony - Tokyo Aquatics Centre - Tokyo, Japan - July 29, 2021. Members of the China team integrated by Yang Junxuan of China, Tang Muhan of China, Zhang Yufei of China and Li Bingjie of China carry a flag after receiving the gold medal REUTERS/Kai Pfaffenbach

Tokyo 2020 Olympics - Swimming - Women's 4 x 200m Freestyle Relay - Medal Ceremony - Tokyo Aquatics Centre - Tokyo, Japan - July 29, 2021. Members of the team Australia integrated by Ariarne Titmus of Australia, Emma McKeon of Australia, Madison Wilson of Australia and Leah Neale of Australia react REUTERS/Kai Pfaffenbach

Brazil's President Jair Bolsonaro and senator Ciro Nogueira attend a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro looks on during a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's Economy Minister Paulo Guedes, Brazil's chief of staff, General Luiz Eduardo Ramos and Brazil's President Jair Bolsonaro attend a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro and senator Ciro Nogueira attend a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro and senator Ciro Nogueira attend a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro talks during a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's Economy Minister Paulo Guedes, Brazil's chief of staff, General Luiz Eduardo Ramos and Brazil's President Jair Bolsonaro attend a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro looks on during a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro and senator Ciro Nogueira attend a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazilian senator Ciro Nogueira reacts during a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro walks before a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado

Brazilian senator Ciro Nogueira talks with Brazil's Minister of the Secretariat of Government Flavia Arruda, during a ceremony of signing a decree establishing the Public Integrity System of the Federal government at the Planalto Palace in Brasilia, Brazil July 27, 2021. REUTERS/Adriano Machado