Mary Ann Brown, center, cools off in the water with her grandchildren during a heat wave in Lake Havasu, Arizona, U.S. June 15, 2021. REUTERS/Bridget Bennett

Jose de la Cruz, father of Mirna Cruz Lima and grandfather of Jacquelinne Palomo Lima and Alexis Palomo Lima, who were murdered by former policeman Hugo Ernesto Osorio Chavez in Chalchuapa, shows some belongings of his grandchildren during an interview with Reuters in Santa Ana, El Salvador May 27, 2021. REUTERS/Jose Cabezas

Umm Ramadan, mother-in-law of Nour El-Sabah, poses for a photo with her grandchildren during the holy month of Ramadan in Beni Suef, Egypt, April 10, 2021. Picture taken April 10, 2021. REUTERS/Hayam Adel

Ali al-Nehmi, 70, sits with his grandchildren in their hut at a camp for internally displaced people (IDPs) in Marib, Yemen April 5, 2021. Picture taken April 5, 2021. REUTERS/Ali Owidha

A student of the Felix Rodriguez de la Fuente school plays a xylophone during a class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students and teachers of the Felix Rodriguez de la Fuente school remove chairs and tables at the end of their class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students and a teacher of the Felix Rodriguez de la Fuente school walk hand in hand in line before a class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

A teacher teaches a class to students (not pictured) of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce TPX IMAGES OF THE DAY

A teacher teaches a class to students of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students of the Felix Rodriguez de la Fuente school study during a class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students of the Felix Rodriguez de la Fuente school joke at the end of their class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

A teacher teaches a class to a student of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken with a drone. Picture taken April 8, 2021. REUTERS/Nacho Doce

A student of the Felix Rodriguez de la Fuente school studies during a class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students of the Felix Rodriguez de la Fuente school paint during a class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

A teacher teaches a class to students of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students from the Felix Rodriguez de la Fuente school arrive at the Playa de los Nietos (The Grandchildren's Beach) before a class, as part of a project known as 'Aire Limpio' (Fresh Air), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students of the Felix Rodriguez de la Fuente school sit next a fishing net before a class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students from the Felix Rodriguez de la Fuente school, holding onto a rope and accompanied by two teachers, arrive before a class at the Playa de los Nietos (The Grandchildren's Beach), as part of a project known as 'Aire Limpio' (Fresh Air), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Members of a residents' association dress up as Carthaginian soldiers to bring to life a story to students and teachers of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

A teacher and a retired fisherman (not pictured) teach the usage of a fishing net to students of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

A teacher teaches a class to students of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken with a drone. Picture taken April 8, 2021. REUTERS/Nacho Doce

A teacher and her students from the Felix Rodriguez de la Fuente school look at a seagull during a class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

A teacher teaches a painting class to a student of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Teachers teach classes to students of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken with a drone. Picture taken April 8, 2021. REUTERS/Nacho Doce

A teacher teaches a painting class to students of the Felix Rodriguez de la Fuente school, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken with a drone. Picture taken April 8, 2021. REUTERS/Nacho Doce

Students of the Felix Rodriguez de la Fuente school study during a class, as part of a project known as 'Aire Limpio' (Fresh Air) at the Playa de los Nietos (The Grandchildren's Beach), which aims to use better air quality for children during the coronavirus disease (COVID-19) pandemic, near Cartagena, southern Spain April 8, 2021. Picture taken April 8, 2021. REUTERS/Nacho Doce

Three mailboxes in a stone wall line the entrance to the home where prominent physician Dr. Robert Lesslie, his wife, two grandchildren and another man were shot and killed by former NFL player Phillip Adams in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

York County Sheriff Kevin Tolson listens to a 911 call, following the killing of prominent physician Dr. Robert Lesslie, his wife, two grandchildren and another man by former NFL player Phillip Adams in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

York County Sheriff Kevin Tolson listens to a 911 call, following the killing of prominent physician Dr. Robert Lesslie, his wife, two grandchildren and another man by former NFL player Phillip Adams in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

A member of the York County Sheriff's Office guards the entrance to the home where prominent physician Dr. Robert Lesslie, his wife, two grandchildren and another man were shot and killed by former NFL player Phillip Adams in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

A member of the York County Sheriff's Office guards the entrance to the home where prominent physician Dr. Robert Lesslie, his wife, two grandchildren and another man were shot and killed by former NFL player Phillip Adams in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

A member of the York County Sheriff's Office walks through the yard outside the home of Phillip Adams, a former professional football player who fatally shot a prominent South Carolina doctor, his wife, two grandchildren and another man before taking his own life, in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

Members of the York County Sheriff's Office speak outside the home of Phillip Adams, a former professional football player who fatally shot a prominent South Carolina doctor, his wife, two grandchildren and another man before taking his own life, in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

Members of the York County Sheriff's Office speak outside the home of Phillip Adams, a former professional football player who fatally shot a prominent South Carolina doctor, his wife, two grandchildren and another man before taking his own life, in Rock Hill, South Carolina, U.S. April 8, 2021. REUTERS/Sam Wolfe

U.S. Rep. Mo Brooks (R-AL) is pictured with his grandchildren after making an announcement in Huntsville, Alabama, U.S. March 22, 2021. REUTERS/Elijah Nouvelage

U.S. Rep. Mo Brooks (R-AL) is pictured with his grandchildren before making an announcement in Huntsville, Alabama, U.S. March 22, 2021. REUTERS/Elijah Nouvelage

U.S. Rep. Mo Brooks (R-AL) is pictured with his grandchildren before making an announcement in Huntsville, Alabama, U.S. March 22, 2021. REUTERS/Elijah Nouvelage

U.S. first lady Jill Biden waves with grandchildren Robert and Natalie as U.S. President Joe Biden departs on travel to Atlanta, Georgia to receive a CDC update on the "fight against the coronavirus disease (COVID-19) pandemic" and later to meet with Asian-American leaders, from the South Lawn at the White House in Washington, U.S., March 19, 2021. REUTERS/Jonathan Ernst

First Lady Jill Biden waves as she walks with her grandchildren Natalie, Hunter and a family friend, across the South Lawn of the White House in Washington, U.S., March 14, 2021. REUTERS/Cheriss May

First Lady Jill Biden and her grandchildren Natalie, Hunter and a family friend, walk across the South Lawn of the White House in Washington, U.S., March 14, 2021. REUTERS/Cheriss May

U.S. President Joe Biden walks with first lady Jill Biden and their grandchildren Natalie, Hunter and a family friend, from Marine One on the South Lawn of the White House in Washington, U.S., March 14, 2021. REUTERS/Cheriss May

U.S. President Joe Biden trails first lady Jill Biden, and their grandchildren Natalie, Hunter and a family friend, as they walk across the South Lawn of the White House in Washington, U.S., March 14, 2021. REUTERS/Cheriss May

U.S. President Joe Biden walks with first lady Jill Biden and their grandchildren Natalie, Hunter and a family friend, from Marine One on the South Lawn of the White House in Washington, U.S., March 14, 2021. REUTERS/Cheriss May

Marine One carrying U.S. President Joe Biden, first lady Jill Biden and their grandchildren Hunter and Natalie, and a family friend, prepares to land on the South Lawn of the White House in Washington, U.S., March 14, 2021. REUTERS/Cheriss May

Marine One carrying U.S. President Joe Biden, first lady Jill Biden and their grandchildren Hunter and Natalie, and a family friend, prepares to land on the South Lawn of the White House in Washington, U.S., March 14, 2021. REUTERS/Cheriss May

U.S. President Joe Biden walks with first lady Jill Biden and their grandchildren Natalie, Hunter, and a family friend, from Marine One on the South Lawn of the White House in Washington, U.S., March 14, 2021. REUTERS/Cheriss May

Abdel Razzak al-Khatoun, 84, a Syrian farmer, sits with his grandchildren at an internally displaced camp in northern Idlib, Syria March 11, 2021. Picture taken March 11, 2021. REUTERS/Khalil Ashawi

Abdel Razzak al-Khatoun and his grandchildren pose for a picture inside a tent at an internally displaced camp in northern Idlib, Syria March 11, 2021. Picture taken March 11, 2021. REUTERS/Khalil Ashawi

Abdel Razzak al-Khatoun, 84, a Syrian farmer, talks with his grandchildren inside a tent at an internally displaced camp in northern Idlib, Syria March 11, 2021. Picture taken March 11, 2021. REUTERS/Khalil Ashawi

Abdel Razzak al-Khatoun, 84, a Syrian farmer, walks with his grandchildren, at an internally displaced camp in northern Idlib, Syria March 11, 2021. Picture taken March 11, 2021. REUTERS/Khalil Ashawi

Abdel Razzak al-Khatoun, 84, a Syrian farmer, sits with his grandchildren inside a tent at an internally displaced camp in northern Idlib, Syria March 11, 2021. Picture taken March 11, 2021. REUTERS/Khalil Ashawi

Abdel Razzak al-Khatoun, 84, a Syrian farmer, sits with his grandchildren at an internally displaced camp in northern Idlib, Syria March 11, 2021. Picture taken March 11, 2021. REUTERS/Khalil Ashawi

Abdel Razzak al-Khatoun, 84, a Syrian farmer, sits with his grandchildren inside a tent at an internally displaced camp in northern Idlib, Syria March 11, 2021. Picture taken March 11, 2021. REUTERS/Khalil Ashawi

U.S. President Joe Biden, his grandchildren Robert Hunter and Natalie, and a friend of the family, depart from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., on March 13, 2021. REUTERS/Sarah Silbiger

U.S. President Joe Biden, his grandchildren Robert Hunter and Natalie, and a friend of the family, depart from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., on March 13, 2021. REUTERS/Sarah Silbiger

U.S. President Joe Biden, his grandchildren Robert Hunter and Natalie, and a friend of the family, depart from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., on March 13, 2021. REUTERS/Sarah Silbiger

U.S. President Joe Biden, his grandchildren Robert Hunter and Natalie, and a friend of the family, depart from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., on March 13, 2021. REUTERS/Sarah Silbiger

Seham Hamu, 74-year old grandmother sits on a wheelchair next to her grandchildren in Douma, in the eastern suburbs of Damascus, Syria March 9, 2021. Picture taken March 9, 2021. REUTERS/Omar Sanadiki

U.S. President Joe Biden departs with his grandchildren, Hunter and Natalie, from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., February 28, 2021. REUTERS/Erin Scott

U.S. President Joe Biden departs with his grandchildren, Hunter and Natalie (not pictured), from St. Joseph on the Brandywine Catholic Church after Mass in Wilmington, Delaware, U.S., February 28, 2021. REUTERS/Erin Scott