School children gesture towards India's Prime Minister Narendra Modi as he arrives to cast his vote during the second and last phase of Gujarat state assembly elections in Ahmedabad, India, December 5, 2022. REUTERS/Amit Dave 

School children gesture towards India's Prime Minister Narendra Modi as he arrives to cast his vote during the second and last phase of Gujarat state assembly elections in Ahmedabad, India, December 5, 2022. REUTERS/Amit Dave 

A police officer stands guard outside the Ukrainian embassy in Madrid after a bloody package arrived at the embassy, in the wake of several letter bombs arriving at targets connected to Spanish support of Ukraine, amidst Russia?s invasion of Ukraine, in Madrid, Spain December 2, 2022. The sign reads "The students of the children?s school Nuestra Senora Santa Maria are in solidarity with all the children of Ukraine and shout no to the invasion" REUTERS/Violeta Santos Moura 

A police officer walks by the perimeter outside the Ukrainian embassy in Madrid after a bloody package arrived at the embassy, in the wake of several letter bombs arriving at targets connected to Spanish support of Ukraine, amidst Russia’s invasion of Ukraine, in Madrid, Spain December 2, 2022. The sign reads "The students of the children’s school Nuestra Senora Santa Maria are in solidarity with all the children of Ukraine and shout no to the invasion" REUTERS/Violeta Santos Moura 

Canada's Prime Minister Justin Trudeau watches as children learn about teeth from dental students during Trudeau's visit to the Schulich School of Medicine and Dentistry in London, Ontario, Canada, December 1, 2022. REUTERS/Cole Burston 

Canada's Prime Minister Justin Trudeau peers in as children learn about teeth from dental students during Trudeau's visit to the Schulich School of Medicine and Dentistry in London, Ontario, Canada, December 1, 2022. REUTERS/Cole Burston 

Canada's Prime Minister Justin Trudeau stands as children learn about teeth from dental students during Trudeau's visit to the Schulich School of Medicine and Dentistry in London, Ontario, Canada, December 1, 2022. REUTERS/Cole Burston 

Canada's Prime Minister Justin Trudeau peers in as children learn about teeth from dental students during Trudeau's visit to the Schulich School of Medicine and Dentistry in London, Ontario, Canada, December 1, 2022. REUTERS/Cole Burston 

Canada's Prime Minister Justin Trudeau peers in as children learn about teeth from dental students during Trudeau's visit to the Schulich School of Medicine and Dentistry in London, Ontario, Canada, December 1, 2022. REUTERS/Cole Burston 

Canada's Prime Minister Justin Trudeau peers in as children learn about teeth from dental students during Trudeau's visit to the Schulich School of Medicine and Dentistry in London, Ontario, Canada, December 1, 2022. REUTERS/Cole Burston 

Canada's Prime Minister Justin Trudeau peers in as children learn about teeth from dental students during Trudeau's visit to the Schulich School of Medicine and Dentistry in London, Ontario, Canada, December 1, 2022. REUTERS/Cole Burston 

Graves are seen at Hillcrest Memorial cemetery in the town of Uvalde, where a gunman killed 19 children and two teachers at Robb Elementary in the U.S. school shooting, in Uvalde, Texas, U.S., November 30, 2022. REUTERS/Marco Bello 

Sharpie markers are seen on the grave of Eva Mireles, one of the victims of the Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 30, 2022. REUTERS/Marco Bello 

A sign is seen on the grave of one of the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 30, 2022. REUTERS/Marco Bello 

A cross is decorated at a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

Crosses are seen in a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

Cloth angels are seen in a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A general view of Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

White roses and an American flag are seen in a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A general view of Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A general view of the playground at Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A cross is seen in a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

Heart shaped flower pot stands are seen in a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A woman lays flowers in a memorial at the town square for the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A general view of the memorial at the town square for the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello TPX IMAGES OF THE DAY 

A person lays flowers in a memorial at the town square for the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A general view of Boarded up windows at Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A general view of the playground at Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

Flock of birds fly at sunset around the water tower of the town of Uvalde, where a gunman killed 19 children and two teachers at Robb Elementary, in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello 

A mural in memoriam of Nevaeh Bravo, one the victims of the Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 28, 2022. REUTERS/Marco Bello 

A sign that reads "Uvalde is love" is seen at a shop window, in memoriam of the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 28, 2022. REUTERS/Marco Bello 

Crosses are seen in a memorial at town square for the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 28, 2022. REUTERS/Marco Bello 

A sign is seen in memoriam of the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 28, 2022. REUTERS/Marco Bello 

A cross is seen outside a house near Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 28, 2022. REUTERS/Marco Bello 

Anti gun signs are seen outside a house near Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 28, 2022. REUTERS/Marco Bello 

A general view of Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello 

A sign is seen in memoriam of the victims of the Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello 

A general view of the memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello 

A general view of the town of Uvalde, where a gunman killed 19 children and two teachers at Robb Elementary, in the U.S. school shooting, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello 

People visit a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello 

Teddy bears are seen in a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello 

Crosses with the names of the victims are seen in a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello TPX IMAGES OF THE DAY 

A sign with the shape of Texas is seen in a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello 

A sign seen in a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello 

Demonstrators hold a sign that reads "Do not mess with my children" during a protest against abortion and a bill that seeks to provide comprehensive sexual education in schools in Bogota, Colombia November 23, 2022. REUTERS/Luisa Gonzalez 

Children sit on a carriage after returning from school, following a twin blast in Jerusalem, in Rafah in southern Gaza Strip, November 23, 2022. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY 

Elementary school children dance for the arrival of U.S. Vice President Kamala Harris as she tours local village Tagburos in Palawan, Philippines, on Tuesday, Nov. 22, 2022. Haiyun Jiang/Pool via REUTERS 

U.S. Vice President Kamala Harris draws together with elementary school children as she tours local village Tagburos in Palawan, Philippines, on Tuesday, Nov. 22, 2022. Haiyun Jiang/Pool via REUTERS 

Elementary school children wait for the arrival of U.S. Vice President Kamala Harris as she tours local village Tagburos in Palawan, Philippines, on Tuesday, Nov. 22, 2022. Haiyun Jiang/Pool via REUTERS 

U.S. Vice President Kamala Harris draws together with elementary school children as she tours local village Tagburos in Palawan, Philippines, on Tuesday, Nov. 22, 2022. Haiyun Jiang/Pool via REUTERS 

Children wait for a bullfight show by the Arles bullfighting school at the Monumental de Gimeaux arena?in Arles, France, November 20, 2022. REUTERS/Eric Gaillard 

Internally displaced children wash their hands as they wait to receive porridge from volunteers at Kayembe primary school in Munigi camp near Goma, in the North Kivu province of the Democratic Republic of Congo, November 18, 2022. REUTERS/Djaffar Sabiti 

Internally displaced children wait to receive porridge from volunteers at Kayembe primary school in Munigi camp near Goma, in the North Kivu province of the Democratic Republic of Congo, November 18, 2022. REUTERS/Djaffar Sabiti 

Children take part in FIFA Football for Schools programme, which consists of training sports educators to provide quality training to young people and schoolchildren in Abidjan, Ivory Coast November 9, 2022. REUTERS/Luc Gnago 

Children take part in FIFA Football for Schools programme, which consists of training sports educators to provide quality training to young people and schoolchildren in Abidjan, Ivory Coast November 9, 2022. REUTERS/Luc Gnago 

A local coach instructs children during the FIFA Football for Schools programme, which trains sports educators to provide quality training to young people and schoolchildren in Abidjan, Ivory Coast November 9, 2022. REUTERS/Luc Gnago 

A local coach instructs children during the FIFA Football for Schools programme, which trains sports educators to provide quality training to young people and schoolchildren in Abidjan, Ivory Coast November 9, 2022. REUTERS/Luc Gnago 

Children take part in FIFA Football for Schools programme, which consists of training sports educators to provide quality training to young people and schoolchildren in Abidjan, Ivory Coast November 9, 2022. REUTERS/Luc Gnago 

Children take part in FIFA Football for Schools programme, which consists of training sports educators to provide quality training to young people and schoolchildren in Abidjan, Ivory Coast November 9, 2022. REUTERS/Luc Gnago 

Children take part in FIFA Football for Schools programme, which consists of training sports educators to provide quality training to young people and schoolchildren in Abidjan, Ivory Coast November 9, 2022. REUTERS/Luc Gnago