An unaccompanied minor who was deported from the U.S. sits at the entrance of his room at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

An unaccompanied minor who was deported from the U.S. sits at the entrance of his room at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

Fray Carlos Caceres chats with an unaccompanied child who was deported from the U.S., at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

An unaccompanied minor who was deported from the U.S. sits at the entrance of his room at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

An unaccompanied child who was deported from the U.S. touches hands with his carer at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

A worker in protective suit talks to an unaccompanied minor who was deported from the U.S. at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

An unaccompanied minor who was deported from the U.S. is seen at his room at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

Fray Carlos Caceres and a worker serve food to unaccompanied minors who were deported from the U.S., at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

A carer (C) talks to an unaccompanied child who was deported from the U.S., at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

Fray Carlos Caceres and a worker serve food to an unaccompanied minor who was deported from the U.S., at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

A worker in protective suit talks to an unaccompanied minor who was deported from the U.S., at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

Fray Carlos Caceres gives a beverage to an unaccompanied child who was deported from the U.S., at a shelter in Guatemala City, Guatemala July 31, 2020. Picture taken July 31, 2020. REUTERS/Luis Echeverria

Unaccompanied refugee minors board an Aegean Airlines aircraft that will transfer them to Portugal under a European Commission-funded relocation program, at the Eleftherios Venizelos International Airport in Athens, Greece, July 7, 2020. REUTERS/Alkis Konstantinidis

Unaccompanied refugee minors board an Aegean Airlines aircraft that will transfer them to Portugal under a European Commission-funded relocation program, at the Eleftherios Venizelos International Airport in Athens, Greece, July 7, 2020. REUTERS/Alkis Konstantinidis

Deputy Migration Minister Giorgos Koumoutsakos greets unaccompanied refugee minors before they board an Aegean Airlines aircraft that will transfer them to Portugal under a European Commission-funded relocation program, at the Eleftherios Venizelos International Airport in Athens, Greece July 7, 2020. REUTERS/Alkis Konstantinidis

Unaccompanied refugee minors board an Aegean Airlines aircraft that will transfer them to Portugal under a European Commission-funded relocation program, at the Eleftherios Venizelos International Airport in Athens, Greece July 7, 2020. REUTERS/Alkis Konstantinidis

A boy waves as unaccompanied refugee minors board an Aegean Airlines aircraft that will transfer them to Portugal under a European Commission-funded relocation program, at the Eleftherios Venizelos International Airport in Athens, Greece July 7, 2020. REUTERS/Alkis Konstantinidis

Unaccompanied refugee minors board an Aegean Airlines aircraft that will transfer them to Portugal under a European Commission-funded relocation program, at the Eleftherios Venizelos International Airport in Athens, Greece July 7, 2020. REUTERS/Alkis Konstantinidis

Unaccompanied refugee minors board an Aegean Airlines aircraft that will transfer them to Portugal under a European Commission-funded relocation program, at the Eleftherios Venizelos International Airport in Athens, Greece July 7, 2020. REUTERS/Alkis Konstantinidis

Unaccompanied children from overcrowded migrant camps in Greece ride a bus after their arrival at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

Unaccompanied children from overcrowded migrant camps in Greece gesture as they ride a bus after their arrival at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer TPX IMAGES OF THE DAY

Police is seen near buses carrying unaccompanied children from overcrowded migrant camps in Greece, after their arrvial at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

Unaccompanied children from overcrowded migrant camps in Greece gesture as they ride a bus after their arrival at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

Unaccompanied children from overcrowded migrant camps in Greece leave a plane after their arrival at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

Unaccompanied children from overcrowded migrant camps in Greece leave a plane after their arrival at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

A child leaves the plane with unaccompanied children from overcrowded migrant camps in Greece at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

A bus is seen near the plane with unaccompanied children from overcrowded migrant camps in Greece lands, at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

A tent is set near a gangway, as the plane with unaccompanied children from overcrowded migrant camps in Greece lands, at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

Plane with unaccompanied children from overcrowded migrant camps in Greece lands at the airport in Hanover, Germany April 18, 2020. REUTERS/Fabian Bimmer

Greek Prime Minister Kyriakos Mitsotakis wears a protective face mask as a precaution against the spread of coronavirus disease (COVID-19), as he arrives to attend the departure of unaccompanied children from overcrowded migrant camps who will be transferred to Germany, at the Athens International Airport, Greece, April 18, 2020. REUTERS/Costas Baltas

Greek Prime Minister Kyriakos Mitsotakis and deputy Migration Minister Giorgos Koumoutsakos wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19), as they arrive to attend the departure of unaccompanied children from overcrowded migrant camps who will be transferred to Germany, at the Athens International Airport, Greece, April 18, 2020. REUTERS/Costas Baltas

Greek Prime Minister Kyriakos Mitsotakis and German Ambassador to Greece Ernst Reichel wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19), while attending the departure of unaccompanied children from overcrowded migrant camps who will be transferred to Germany, at the Athens International Airport, Greece, April 18, 2020. REUTERS/Costas Baltas

Unaccompanied children from overcrowded migrant camps who will be transferred to Germany, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they board their flight at the Athens International Airport, Greece, April 18, 2020. REUTERS/Costas Baltas

Unaccompanied children from overcrowded migrant camps who will be transferred to Germany, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they board their flight at the Athens International Airport, Greece, April 18, 2020. REUTERS/Costas Baltas

Unaccompanied children from overcrowded migrant camps who will be transferred to Germany, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they arrive to board a plane at the Athens International Airport, Greece, April 18, 2020. REUTERS/Costas Baltas

Unaccompanied children from overcrowded migrant camps who will be transferred to Germany, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they board their flight at the Athens International Airport, Greece, April 18, 2020. REUTERS/Costas Baltas

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they wait to board their flight at the Athens International Airport, Greece, April 15, 2020. Orestis Panagiotou/Pool via REUTERS

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they wait to board their flight at the Athens International Airport, Greece, April 15, 2020. Orestis Panagiotou/Pool via REUTERS

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they wait to board their flight at the Athens International Airport, Greece, April 15, 2020. Orestis Panagiotou/Pool via REUTERS

An unaccompanied girl from Afghanistan who will be transferred to Luxembourg, wears a protective face mask as a precaution against the spread of coronavirus disease (COVID-19) as she checks-in her flight at the Athens International Airport, Greece, April 15, 2020. Orestis Panagiotou/Pool via REUTERS

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they wait to board their flight at the Athens International Airport, Greece, April 15, 2020. Orestis Panagiotou/Pool via REUTERS

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they board their flight at the Athens International Airport, Greece, April 15, 2020. Orestis Panagiotou/Pool via REUTERS

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they board their flight at the Athens International Airport, Greece, April 15, 2020. Orestis Panagiotou/Pool via REUTERS

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Germany and Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they arrive at the port of Piraeus, Greece, April 15, 2020. REUTERS/Costas Baltas

An unaccompanied child from an overcrowded migrant camp who will be transferred to either Germany or Luxembourg, wears a protective face mask as a precaution against the spread of coronavirus disease (COVID-19) as he boards a bus at the port of Piraeus, Greece, April 15, 2020. REUTERS/Costas Baltas TPX IMAGES OF THE DAY

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Germany and Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they board a bus at the port of Piraeus, Greece, April 15, 2020. REUTERS/Costas Baltas

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Germany and Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they arrive on a ferry at the port of Piraeus, Greece, April 15, 2020. REUTERS/Costas Baltas

A group of unaccompanied children from overcrowded migrant camps who will be transferred to Germany and Luxembourg, wear protective face masks as a precaution against the spread of coronavirus disease (COVID-19) as they board a bus at the port of Piraeus, Greece, April 15, 2020. REUTERS/Costas Baltas

Juan, an 8-year-old unaccompanied minor from Guatemala who was travelling without any guardians, is registered by a border patrol agent in a field, after surrendering to border patrol with a group of other asylum seeking migrants who crossed into the United States from Mexico, in Los Ebanos, Texas, U.S., May 7, 2019. REUTERS/Adrees Latif SEARCH "RIO GRANDE PATROL" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

Juan, an 8-year-old unaccompanied minor from Guatemala who was travelling without any guardians, is registered by a border patrol agent in a field, after surrendering to border patrol with a group of other asylum seeking migrants who crossed into the United States from Mexico, in Los Ebanos, Texas, U.S., May 7, 2019. REUTERS/Adrees Latif SEARCH "RIO GRANDE PATROL" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

Children's toys are laid out in a play area at the new Border Patrol Centralized Processing Center in El Paso where men, women, unaccompanied children, and families will be kept during part of their detention by immigration officials in El Paso, Texas, U.S., February 25, 2020. REUTERS/Julio-Cesar Chavez

A minor traveling with service for unaccompanied children "Junior et compagnie" walks at Gare de Lyon train station in Paris during a strike by all unions of French SNCF workers and the Paris transport network (RATP), as trade unions press on with a transport strike over the festive holidays in France, December 22, 2019. REUTERS/Gonzalo Fuentes

A minor traveling with service for unaccompanied children "Junior et compagnie" walks at Gare de Lyon train station in Paris during a strike by all unions of French SNCF workers and the Paris transport network (RATP), as trade unions press on with a transport strike over the festive holidays in France, December 22, 2019. REUTERS/Gonzalo Fuentes

Minors traveling with service for unaccompanied children "Junior et compagnie" walk at Gare de Lyon train station in Paris during a strike by all unions of French SNCF workers and the Paris transport network (RATP), as trade unions press on with a transport strike over the festive holidays in France, December 22, 2019. REUTERS/Gonzalo Fuentes

Minors traveling with service for unaccompanied children "Junior et compagnie" walk at Gare de Lyon train station in Paris during a strike by all unions of French SNCF workers and the Paris transport network (RATP), as trade unions press on with a transport strike over the festive holidays in France, December 22, 2019. REUTERS/Gonzalo Fuentes

Minors traveling with service for unaccompanied children "Junior et compagnie" walk at Gare de Lyon train station in Paris during a strike by all unions of French SNCF workers and the Paris transport network (RATP), as trade unions press on with a transport strike over the festive holidays in France, December 22, 2019. REUTERS/Gonzalo Fuentes

A minor traveling with service for unaccompanied children "Junior et compagnie" walks at Gare de Lyon train station in Paris during a strike by all unions of French SNCF workers and the Paris transport network (RATP), as trade unions press on with a transport strike over the festive holidays in France, December 22, 2019. REUTERS/Gonzalo Fuentes

Bamboo huts sit on top of concrete structures in the submerged coastal village Sitio Pariahan, Bulakan, Bulacan, north of Manila, Philippines, on November 27, 2019. REUTERS/Eloisa Lopez SEARCH "PHILIPPINES SINKING VILLAGE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

A partly submerged church sits amongst a dilapidated school and bamboo huts risen by stilts in the submerged coastal village Sitio Pariahan, Bulakan, Bulacan, north of Manila, Philippines, November 25, 2019. REUTERS/Eloisa Lopez SEARCH "PHILIPPINES SINKING VILLAGE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY

Clouds gather but produce no rain as cracks are seen in the dried up municipal dam in drought-stricken Graaff-Reinet, South Africa, November 14, 2019. Picture taken November 14, 2019. REUTERS/Mike Hutchings