Teachers join the strike action at a picket line at Redwell Primary school in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers join the strike action at a picket line at Redwell Primary school in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers join the strike action at a picket line at Redwell Primary school in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers join the strike action at a picket line at The Hurlingham Academy in Fulham, London, Britain February 1, 2023. REUTERS/Kevin Coombs 

Teachers join the strike action at a picket line at The Hurlingham Academy in Fulham, London, Britain February 1, 2023. REUTERS/Kevin Coombs 

Teachers join the strike action at a picket line at The Hurlingham Academy in Fulham, London, Britain February 1, 2023. REUTERS/Kevin Coombs 

Teachers join the strike action at a picket line at The Hurlingham Academy in Fulham, London, Britain February 1, 2023. REUTERS/Kevin Coombs 

Members of the Public and Commercial Services (PCS) Union protest at a picket line outside the Department for Business, Energy and Industrial Strategy in London, Britain, February 1, 2023. REUTERS/Toby Melville 

Members of the Public and Commercial Services (PCS) Union protest outside the Department for Education in London, Britain, February 1, 2023. REUTERS/Toby Melville 

Teachers attend the strike action, outside a Harris Academy school in London, Britain, February 1, 2023. REUTERS/Toby Melville 

Teachers attend the strike action outside a Harris Academy school in London, Britain, February 1, 2023. REUTERS/Toby Melville 

Children line up as residents and faithful gather at N'dolo Airport for a Mass celebrated by Pope Francis, in Kinshasa, Democratic Republic of Congo, February 1, 2023. REUTERS/Luc Gnago 

Children line up as residents and faithful gather at N'dolo Airport for a Mass celebrated by Pope Francis, in Kinshasa, Democratic Republic of Congo, February 1, 2023. REUTERS/Luc Gnago 

Railway workers line a platform as U.S. President Joe Biden delivers remarks touting how Infrastructure Law funding will be used for the Hudson River Tunnel project, during an event at the West Side Rail Yard in New York City, U.S., January 31, 2023. REUTERS/Kevin Lamarque 

A military member stands guard, as residents of Kinshasa line the streets to welcome Pope Francis, in Kinshasa, Democratic Republic of Congo January 31, 2023.REUTERS/Luc Gnago 

Residents of Kinshasa celebrate as they line the streets to welcome Pope Francis in Kinshasa, Democratic Republic of Congo January 31, 2023.REUTERS/Luc Gnago 

Residents of Kinshasa celebrate as they line the streets to welcome Pope Francis in Kinshasa, Democratic Republic of Congo January 31, 2023.REUTERS/Luc Gnago 

Grandmother Olha hugs her granddaughter Arina, 6, while saying goodbye before her evacuation from front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak TPX IMAGES OF THE DAY 

A grandfather hugs his granddaughter Arina, 6, while saying goodbye before her evacuation from front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak TPX IMAGES OF THE DAY 

Policemen help Arina, 6, dressed in children's bulletproof vest and helmet during her evacuation from front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak 

A mother Halyna, 24, hugs her daughter Arina, 6, after her evacuation from front line city of Bakhmut, amid Russia's attack on Ukraine, in Sloviansk, Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak 

A policeman persuades local residents Olha and her granddaughter Arina, 6, to evacuate from front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak 

A policeman persuades local residents Olha and her granddaughter Arina, 6, to evacuate from front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak 

Arina, 6, reacts before her evacuation from front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak 

Arina, 6, dressed in children's bulletproof vest and helmet holds her toys before evacuation from front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak 

Grandmother Olha hugs her granddaughter Arina, 6, while saying goodbye before her evacuation from front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 31, 2023. REUTERS/Oleksandr Ratushniak TPX IMAGES OF THE DAY 

Priests line up as they wait for Pope Francis as he starts his apostolic journey, in Kinshasa, Democratic Republic of Congo, January 31, 2023. REUTERS/Luc Gnago 

Residents of Kinshasa celebrate as they line the streets to welcome Pope Francis in Kinshasa, Democratic Republic of Congo January 31, 2023.REUTERS/Luc Gnago 

Residents of Kinshasa celebrate as they line the streets to welcome pope Francis in Kinshasa, Democratic Republic of Congo January 31, 2023.REUTERS/Luc Gnago 

Residents of Kinshasa celebrate as they line the streets to welcome pope Francis in Kinshasa, Democratic Republic of Congo January 31, 2023.REUTERS/Luc Gnago 

A closed entrance of a metro line is seen during a strike by Paris transport network (RATP) workers in Paris as part of a nationwide day of strike and protests against French government's pension reform plan in France, January 31, 2023. REUTERS/Sarah Meyssonnier 

A sign reading metro lines closed is seen at Gare Montparnasse train station during a strike by Paris transport network (RATP) and French SNCF railway workers in Paris as part of a nationwide day of strike and protests against French government's pension reform plan in France, January 31, 2023. REUTERS/Sarah Meyssonnier 

A man walks past a sign reading metro lines closed at Gare Montparnasse train station during a strike by Paris transport network (RATP) and French SNCF railway workers in Paris as part of a nationwide day of strike and protests against French government's pension reform plan in France, January 31, 2023. REUTERS/Sarah Meyssonnier 

A sign reading metro lines closed is seen at Gare Montparnasse train station during a strike by Paris transport network (RATP) and French SNCF railway workers in Paris as part of a nationwide day of strike and protests against French government's pension reform plan in France, January 31, 2023. REUTERS/Sarah Meyssonnier 

Police officers control the crowd after a suicide blast in a mosque, at police line area in Peshawar, Pakistan January 30, 2023. REUTERS/Fayaz Aziz 

A police officer guides an ambulance after a suicide blast in a mosque, at police line area in Peshawar, Pakistan January 30, 2023. REUTERS/Fayaz Aziz 

IHF Handball World Championship - Final - France v Denmark - Tele2 Arena, Stockholm, Sweden - January 29, 2023 France players line up before the match REUTERS/Kacper Pempel 

IHF Handball World Championship - Final - France v Denmark - Tele2 Arena, Stockholm, Sweden - January 29, 2023 Denmark players line up before the match REUTERS/Kacper Pempel 

IHF Handball World Championship - Final - France v Denmark - Tele2 Arena, Stockholm, Sweden - January 29, 2023 France players line up before the match REUTERS/Kacper Pempel 

IHF Handball World Championship - Final - France v Denmark - Tele2 Arena, Stockholm, Sweden - January 29, 2023 Denmark players line up before the match REUTERS/Kacper Pempel 

IHF Handball World Championship - 5th to 8th Place Games - Egypt v Hungary - Tele2 Arena, Stockholm, Sweden - January 29, 2023 Hungary players line up before the match REUTERS/Kacper Pempel 

IHF Handball World Championship - 5th to 8th Place Games - Egypt v Hungary - Tele2 Arena, Stockholm, Sweden - January 29, 2023 Egypt players line up before the match REUTERS/Kacper Pempel 

IHF Handball World Championship - 5th to 8th Place Games - Germany v Norway - Tele2 Arena, Stockholm, Sweden - January 29, 2023 Norway players line up before the match REUTERS/Kacper Pempel 

IHF Handball World Championship - 5th to 8th Place Games - Germany v Norway - Tele2 Arena, Stockholm, Sweden - January 29, 2023 Germany players line up before the match REUTERS/Kacper Pempel 

IHF Handball World Championship - 5th to 8th Place Games - Germany v Norway - Tele2 Arena, Stockholm, Sweden - January 29, 2023 Germany players line up before the match REUTERS/Kacper Pempel 

Cricket - Second One Day International - South Africa v England - Manguang Oval, Bloemfontein, South Africa - January 29, 2023 South Africa players line up before the match REUTERS/Esa Alexander 

Cricket - Second One Day International - South Africa v England - Manguang Oval, Bloemfontein, South Africa - January 29, 2023 England players line up before the match REUTERS/Esa Alexander 

People queue in line, on the day of Former U.S. President Donald Trump's campaign stop to unveil his leadership team, at the South Carolina State House in Columbia, South Carolina, U.S., January 28, 2023. REUTERS/Shannon Stapleton 

Local residents stand in line to receive building materials for repairing their apartments damaged by a Russian military strike, amid Russia's attack on Ukraine, in Kostiantynivka, Donetsk region, Ukraine January 28, 2023. REUTERS/Oleksandr Ratushniak 

Ukrainian servicemen fire a mortar on a front line, as Russia's attack on Ukraine continues, in Bakhmut, Donetsk region, Ukraine January 27, 2023. REUTERS/Yan Dobronosov 

IHF Handball World Championship - Semi Final - France v Sweden - Tele2 Arena, Stockholm, Sweden - January 27, 2023 Sweden players line up before the match REUTERS/Kacper Pempel 

A high-tension electricity power line pylon is seen in front of power-generating windmill turbines at a wind park in Couffe near Nantes, France, January 27, 2023. REUTERS/Stephane Mahe 

A high-tension electricity power line pylon is seen in front of power-generating windmill turbines at a wind park in Couffe near Nantes, France, January 27, 2023. REUTERS/Stephane Mahe 

Cricket - First One Day International - South Africa v England - Manguang Oval, Bloemfontein, South Africa - January 27, 2023 South Africa and England players line up during the national anthems before the match REUTERS/Esa Alexander 

A man holds a copy of the Koran during a protest in front of the Swedish embassy after Rasmus Paludan, leader of Danish far-right political party Hard Line burned a copy of the Koran near the Turkish Embassy in Stockholm, in Kuala Lumpur, Malaysia January 27, 2023. REUTERS/Hasnoor Hussain TPX IMAGES OF THE DAY 

A woman holds a placard that reads " Al-Quran is our honour" during a protest in front of the Swedish embassy after Rasmus Paludan, leader of Danish far-right political party Hard Line burned a copy of the Koran near the Turkish Embassy in Stockholm, in Kuala Lumpur, Malaysia January 27, 2023. REUTERS/Hasnoor Hussain 

Women hold copies of the Koran during a protest in front of Swedish embassy after Rasmus Paludan, leader of Danish far-right political party Hard Line burned a copy of the Koran near the Turkish Embassy in Stockholm, in Kuala Lumpur, Malaysia January 27, 2023. REUTERS/Hasnoor Hussain 

A man holds copy of the Koran during a protest in front of Swedish embassy after Rasmus Paludan, leader of Danish far-right political party Hard Line burned a copy of the Koran near the Turkish Embassy in Stockholm, in Kuala Lumpur, Malaysia January 27, 2023. REUTERS/Hasnoor Hussain 

A general view shows the front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 26, 2023. REUTERS/Yan Dobronosov 

A fire is seen in front line city of Bakhmut, amid Russia's attack on Ukraine, in Donetsk region, Ukraine January 26, 2023. REUTERS/Yan Dobronosov