Members of the Mendoza Ramirez family play at their farm in Jalpan de Serra, state of Queretaro, Mexico December 20, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 20, 2019. REUTERS/Daniel Becerril

Ramiro Ramirez, 20, Olivier Mendoza, 4, and Mariela Ramirez, 28, walk along the roads of Jalpan de Serra, state of Queretaro, Mexico December 21, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 21, 2019. REUTERS/Daniel Becerril

Jesus Mendoza, 35, and his daughter Victoria Mendoza, 1, eat a meal at their farm in Jalpan de Serra, state of Queretaro, Mexico December 21, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 21, 2019. REUTERS/Daniel Becerril TPX IMAGES OF THE DAY

Jesus Mendoza, 35, and his sons play with fireworks during a posada, a ritual re-enactment of Mary and Joseph's search for a lodging in Bethlehem, performed in Mexico just before Christmas, at their farm in Jalpan se Serra, state of Queretaro, Mexico December 21, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 21, 2019. REUTERS/Daniel Becerril

Jesus Mendoza, 35, and his son Isaiah Mendoza, 9, look at the candies collected from a pinata during a posada, a ritual re-enactment of Mary and Joseph's search for a lodging in Bethlehem, performed in Mexico just before Christmas, in Jalpan de Serra, state of Queretaro, Mexico December 19, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 19, 2019. REUTERS/Daniel Becerril

Members of the Mendoza Ramirez family arrive to a posada, a ritual re-enactment of Mary and Joseph's search for a lodging in Bethlehem, performed in Mexico just before Christmas, at their neighbours' house in Jalpan de Serra, state of Queretaro, Mexico December 19, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 19, 2019. REUTERS/Daniel Becerril

A general view shows the farm of the Mendoza Ramirez family in Jalpan de Serra, Mexico December 18, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 18, 2019. REUTERS/Daniel Becerril

Jesus Mendoza, 35, and his sons Oliver, 4, and Isaiah, 9, buy corn on a stick in Jalpan de Serra, Mexico December 18, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 18, 2019. REUTERS/Daniel Becerril

Jesus Mendoza, 35, Mariela Ramirez, 28, and their daughter Victoria, 1, eat a meal with relatives in Jalpan de Serra, Mexico December 18, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 18, 2019. REUTERS/Daniel Becerril

Jesus Mendoza, 35, Mariela Ramirez, 28, and their son Oliver Mendoza, 4, are seen in Jalpan de Serra, Mexico December 18, 2019. About 1,500 families departed from the Texan border city of Laredo in a yearly caravan made up of Mexican migrants and Americans of Mexican origin to return to Mexico for their Christmas holidays, driving cars laden with new clothes, perfumes and other Christmas presents. Picture taken December 18, 2019. REUTERS/Daniel Becerril

Venezuelan Frank Mendoza wears a cap with Brazilian and Venezuelan national flags that reads "welcome" in the Brazilian border city of Pacaraima, Roraima state, Brazil February 21, 2019. REUTERS/Ricardo Moraes

Athlete Yareli Acevedo Mendoza carries the Olympic torch as she arrives at the University Olympic Stadium to mark the 50th Anniversary of the 1968 Olympic Games, in Mexico City, Mexico October 12, 2018. REUTERS/Henry Romero

Athlete Yareli Acevedo Mendoza carries the Olympic torch as she arrives at the University Olympic Stadium to mark the 50th Anniversary of the 1968 Olympic Games, in Mexico City, Mexico October 12, 2018. REUTERS/Henry Romero

Uruguay's Finance Minister Danilo Astori poses during an interview with Reuters at the Inter-American Development Bank's annual meeting in Mendoza, Argentina, March 23, 2018. REUTERS/Luc Cohen

Uruguay's Finance Minister Danilo Astori poses during an interview with Reuters at the Inter-American Development Bank's annual meeting in Mendoza, Argentina March 23, 2018. REUTERS/Luc Cohen

U.S. President Donald Trump listens as Thomas Homan, acting director of U.S. Immigration and Customs Enforcement speaks, (2nd L) as Mary Ann Mendoza, (C-L), Officer Kevin Graham, (2nd R) listen with others during a round table meeting with members of law enforcement about sanctuary cities in the Roosevelt Room at the White House in Washington, U.S., March 20, 2018. REUTERS/Leah Millis

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Jack Dempsey in action. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Marika Koroibete and teammate Will Genia react after he scored a try. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's head coach Michael Cheika throws a ball in the air before the match. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Marika Koroibete runs past Argentina's Javier Ortega Desio to score a try. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Michael Hooper embraces Jack Dempsey at the end of the match. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Jack Dempsey in action. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Reece Hodge receives the ball from Samu Kerevi and runs for a try. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Samu Kerevi passes the ball as he is tackled by Argentina's Matias Moroni. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Argentina's Martin Landajo and Juan Martin Hernandez react after receiving a try. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Argentina's Nicolas Sanchez leaves the field at the end of the match. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Reece Hodge runs for a try. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Argentina's Pablo Matera yells at teammates during a scrum. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Reece Hodge scores a try as Argentina's Emiliano Boffelli reacts. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Argentina's Pablo Matera is tackled by Australia's Jack Dempsey. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Argentina's Jeronimo De La Fuente (L) is embraced by teammates as they celebrate after he scored a try. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Argentina's Jeronimo De La Fuente (L) is embraced by teammates as they celebrate after he scored a try. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Argentina's Jeronimo De La Fuente dives for a try. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Argentina's Javier Ortega Desio and Australia's Jack Dempsey in actio5. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Marika Koroibete runs to score a try under pressure from Argentina's Javier Ortega Desio. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's Sekope Kepu in action against Argentina's Agustin Creevy. REUTERS/Marcos Brindicci

Rugby Union - Championship - Argentina Pumas v Australia Wallabies - Malvinas Argentinas stadium, Mendoza, Argentina - October 7, 2017 - Australia's head coach Michael Cheika kicks a ball before the match. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's Samu Kerevi passes the ball to teammate Reece Hodge next to assistant coach Mario Ledesma during the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's Stephen Moore stands next to teammate Tatafu Polota-Nau during the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's Ned Hanigan and teammates take part in the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's players and head coach Michael Cheika and other members of the coaching staff pose for a team photo before the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's Sekope Kepu kicks the ball during the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's captain Michael Hooper reacts as he waits for teammates before the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's Israel Folau passes the ball next to assistant coach Mario Ledesma during the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's players and head coach Michael Cheika pose for a team photo before the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's head coach Michael Cheika speaks during the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's captain Michael Hooper runs with the ball past head coach Michael Cheika during the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Rugby Union - Championship - Australia's Wallabies captain's run - Malvinas Argentinas stadium, Mendoza, Argentina - October 6, 2017 - Australia's captain Michael Hooper passes the ball during the captain's run ahead of their match against Argentina. REUTERS/Marcos Brindicci

Blocks of chocolate with nuts are seen on display at La Cabana chocolate store in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Chocolate sticks are seen on display at La Cabana chocolate store in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Blocks of chocolate are seen on display at La Cabana chocolate store in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Argentina's President Mauricio Macri arrives for a working session alongside Argentine senator Julio Cobos at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Chile's President Michelle Bachelet arrives for a working session at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Bolivia's Economy Minister Mario Guillen Suarez is seen as he arrives for a working session at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Argentine Treasury Minister Nicolas Dujovne smiles as he arrives for a working session at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Argentine Treasury Minister Nicolas Dujovne smiles as he arrives for a working session at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Brazil's President Michel Temer smiles before the official photo at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Uruguay's President Tabare Vazquez talks to Brazil's President Michel Temer before the official photo at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Argentina's President Mauricio Macri, Paraguay's President Horacio Cartes and Bolivia's President Evo Morales (front row, L-R) gesture alongside Ecuador's head of the delegation Diego Rivadeneira Espinoza and Mexico's Ambassador in Argentina Mabel Gomez Oliver as they pose for the official photo at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci

Chile's President Michelle Bachelet, Uruguay's President Tabare Vazquez, Brazil's President Michel Temer, Argentina's President Mauricio Macri, Paraguay's President Horacio Cartes and Bolivia's President Evo Morales alongside Colombia's Commerce, Industry and Tourism Minister Maria Claudia Lacouture (back) pose for the official photo at the Mercosur trade bloc summit in Mendoza, Argentina July 21, 2017. REUTERS/Marcos Brindicci