Children play in a kindergarden in a purpose built village for Tibetans who have been relocated from high-alitude locations as part of what the authorities call a poverty alleviation program during a government organised tour in Gongga County, Lhoka City, near Lhasa, Tibet Autonomous Region, China, October 14, 2020. Picture taken October 14, 2020. REUTERS/Thomas Peter

A flyer offers babysitting services as school and kindergarden are closed during the outbreak of coronavirus disease (COVID-19) in Berlin, Germany, March 17, 2020. REUTERS/Michele Tantussi

Empty wardrobes are seen in a kindergarten as schools and kindergartens are closed due to the coronavirus disease (COVID-19) concerns in Cologne, Germany, March 17, 2020. REUTERS/Thilo Schmuelgen

Rubber boots are seen in a kindergarten as schools and kindergartens are closed due to the coronavirus disease (COVID-19) concerns in Cologne, Germany, March 17, 2020. REUTERS/Thilo Schmuelgen

A box with toys is seen in a kindergarten as schools and kindergartens are closed due to the coronavirus disease (COVID-19) concerns in Cologne, Germany, March 17, 2020. REUTERS/Thilo Schmuelgen

Plastic toys are seen in a children's room in Minsk, Belarus November 23, 2018. REUTERS/Vasily Fedosenko

Plastic toys are seen in a children room in Minsk, Belarus November 23, 2018. REUTERS/Vasily Fedosenko

German Minister for Family, Pensioners and Youth Franziska Giffey holds an advertising campaign block for a Kindergarden law at the weekly cabinet while in Berlin, Germany, September 19, 2018. REUTERS/Fabrizio Bensch

A man holds shrapnel from mortar shells fired from the Gaza Strip that landed near a kindergarten, in a Kibbutz on the Israeli side of the Israeli-Gaza border, May 29, 2018. REUTERS/Amir Cohen

Kindergarten pupils wave national flags as Chinese Premier Li Keqiang reviews the guard of honour with Japan's Prime Minister Shinzo Abe during a welcoming ceremony before their bilateral talks at Akasaka Palace state guest house in Tokyo, Japan May 9, 2018. REUTERS/Toru Hanai TPX IMAGES OF THE DAY

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

Vintage toys are seen at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

Vintage toys are seen at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

Vintage toys are seen at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

Vintage dolls, which were placed by a visitor, are seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

A vintage doll, which was placed by a visitor, is seen on a bed at a kindergarten near the Chernobyl nuclear power plant in the abandoned city of Pripyat, Ukraine April 5, 2017. Picture taken April 5, 2017. REUTERS/Gleb Garanich

Dolls, which were placed by a visitor, are seen at beds at a kindergarten in the abandoned city of Pripyat near the Chernobyl nuclear power plant in Ukraine, April 5, 2017. REUTERS/Gleb Garanich

A doll, which was placed by a visitor, is seen at a bed at a kindergarten in the abandoned city of Pripyat near the Chernobyl nuclear power plant in Ukraine, April 5, 2017. REUTERS/Gleb Garanich

Dolls, which were placed by a visitor, lie at beds at a kindergarten in the abandoned city of Pripyat near the Chernobyl nuclear power plant in Ukraine, April 5, 2017. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

A digger running on biofuels smashes a disused kindergarden on a fossil fuel free demolition site in Oslo, Norway October 14, 2016. Picture taken October 14, 2016. REUTERS/Alister Doyle TO MATCH INSIGHT CLIMATECHANGE-CITIES/

A general view of the disused kindergarden before demolition in Oslo, Norway October 14, 2016. Picture taken October 14, 2016. REUTERS/Alister Doyle TO MATCH INSIGHT CLIMATECHANGE-CITIES/

Nursery school 'Kindergarten' in Nuremberg, Germany, January 30, 2017. REUTERS/Michaela Rehle

Students recite the Imperial Rescript on Education and Confucian Analects in front of JapanÕs national flag, a picture of Japanese Emperor Akihito and Empress Michiko, and a hanging scroll of Confucius at Tsukamoto kindergarten in Osaka, Japan, November 30, 2016. Picture taken on November 30, 2016. REUTERS/Ha Kwiyeon

Students line up in front of JapanÕs national flag at the morning assembly at Tsukamoto kindergarten in Osaka, Japan, November 30, 2016. Picture taken on November 30, 2016. REUTERS/Ha Kwiyeon

A nun belonging to the global Missionaries of Charity interacts with the children of a kindergarten inside the Nirmala Shishu Bhavan, a children's home founded by Mother Teresa, ahead of Mother Teresa's canonization ceremony in Kolkata, India August 30, 2016. REUTERS/Rupak De Chowdhuri

German Chancellor Angela Merkel knocks at the door as she enters a room at the City Kindergarten in Berlin, Germany June 21, 2016 during the "Tag der kleinen Forscher" (little explorer day). REUTERS/Michael Kappeler/POOL

German Chancellor Merkel plays with children at the City Kindergarten in Berlin, Germany June 21, 2016 as part of the "Tag der kleinen Forscher" (little explorer day). REUTERS/Michael Kappeler/POOL

U.S. Treasury Secretary Jack Lew (L) and Puerto Rico's Governor Alejandro Garcia Padilla (2ndR) listen to kindergarden teacher Gloria Rivera during their visit to the elementary school Eleonor Roosevelt in San Juan, Puerto Rico, May 9, 2016. REUTERS/Alvin Baez/File Photo

U.S. Treasury Secretary Jack Lew (L) and Puerto Rico's Governor Alejandro Garcia Padilla (2nd R) listen to kindergarden teacher Gloria Rivera during their visit to the elementary school Eleonor Roosevelt in San Juan, Puerto Rico, May 9, 2016. REUTERS/Alvin Baez

Children enjoy a rocked themed merry-go-around during government organised visit for foreign reporters to the Kim Jong Suk Pyongyang textile mill in Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj

Children look through the window of the kindergarten of the Kim Jong Suk Pyongyang textile mill during a government organised visit for foreign reporters in Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj

Children look through the window of the kindergarten of the Kim Jong Suk Pyongyang textile mill during a government organised visit for foreign reporters in Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj

A girl sits behind a rocket shaped merry-go-around with North Korean flag at the kindergarten of the Kim Jong Suk Pyongyang textile mill during a government organised visit for foreign reporters in Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj

A girl rides a bicycle past a rocked shaped merry-go-around as official guides accompanying foreign reporters stand behind at the kindergarten of the Kim Jong Suk Pyongyang textile mill during a government organised visit for reporters in Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj

A girl yawns behind a rocket shaped merry-go-around with North Korean flag at the kindergarten of the Kim Jong Suk Pyongyang textile mill during a government organised visit for foreign reporters in Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj

Foreign reporters and their guides are reflected in the window of the kindergarten of the Kim Jong Suk Pyongyang textile mill during a government organised visit for reporters in Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY

Officials accompanying foreign reporters stand near a rocket themed marry-go-around at kindergarden of a factory reporters visit on a government organised tour in central Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY

Officials accompanying foreign reporters stand near a rocked themed marry-go-around at kindergarden of a factory reporters visit on a government organised tour in central Pyongyang, North Korea May 9, 2016. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY

Drawings are seen on the wall of the kindergarden at Jangchon Vegetable Co-op farm during a government organised visit for foreign reporters just outside Pyongyang, North Korea May 4, 2016. REUTERS/Damir Sagolj

Children play in the kindergarden at Jangchon Vegetable Co-op farm during a government organised visit for foreign reporters just outside Pyongyang, North Korea May 4, 2016. REUTERS/Damir Sagolj

A doll is seen amongst beds at a kindergarten in the abandoned city of Pripyat near the Chernobyl nuclear power plant in Ukraine March 28, 2016. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

An indigenous Sahrawi woman walks into a nursery in a refugee camp of Boudjdour in Tindouf, southern Algeria March 3, 2016. UN Secretary General Ban Ki-moon is scheduled to visit the Sahrawi refugees in south-west Algeria's Tindouf region. The writing in Arabic reads: "our children of today are our future men". REUTERS/Zohra Bensemra

An indigenous Sahrawi boy is seen at a nursery in a refugee camp of Boudjdour in Tindouf, southern Algeria March 3, 2016. UN Secretary General Ban Ki-moon is scheduled to visit the Sahrawi refugees in south-west Algeria's Tindouf region. REUTERS/Zohra Bensemra

Syrian refugee girl Ele Cundi, 5, poses as she sits with her friends in a kindergarten at Midyat refugee camp in Mardin province, Turkey, December 14, 2015. Syria's conflict has left hundreds of thousands dead, pushed millions more into exile, and had a profound effect on children who lost their homes or got caught up in the bloodletting. The drawings of young refugees living in Turkey show their memories of home and hopes for its future. The pictures also point to the mental scars borne by 2.3 million Syrian refugees living in Turkey, more than half of them children. REUTERS/Umit Bektas

A woman hangs clothes in an abandoned kindergarden next to a coal power plant in Beijing during a smog-free and also the last day of the city's first "red alert" for air pollution, December 10, 2015. REUTERS/Damir Sagolj

Palestinian children play outside containers used as a school and kindergarten near the West Bank city of Jericho December 3, 2015. REUTERS/Ammar Awad

Women wait for their children, who are attending a class meeting, outside the classroom of a kindergarten in Penjaringan district, Jakarta, October 6, 2015. REUTERS/Beawiharta