Asylum-seeking migrant families from Central America use an inflatable raft to cross the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 29, 2021. Picture taken July 29, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America rest on the ground while waiting to be transported by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 29, 2021. Picture taken July 29, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America are processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S. July 30, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant child holds her father's leg as she sits on the ground while waiting to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 29, 2021. Picture taken July 29, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant mother from Nicaragua carries her one-year old baby Priscilla on her back after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America line up on the riverbank after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 29, 2021. Picture taken July 29, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America are processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 29, 2021. Picture taken July 29. REUTERS/Go Nakamura

An asylum-seeking migrant father from Guatemala holds his six-month old baby Alejandro after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 29, 2021. Picture taken July 29, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America wait to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

Unaccompanied minor migrants from Central America wait to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant mother from Nicaragua holds her one-year old baby Priscilla, as she walks away from the shore, after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant mother fixes he daughter's hair while waiting to be transported by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America are processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

Unaccompanied minor migrants from Central America wait to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 30, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America are being processed by U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant child from Central America sleeps on his mother's shoulder after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America are being processed by U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant child from Central America sleeps on her father's shoulder while waiting to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 29, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America wait to be processed by U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America go through a fence to exit a private property to get to the main road after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America wait to be processed by U.S. Border Patrol agents after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America wait to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 29, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America wait to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 29, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant child from Central America sleeps on her mother's lap while waiting to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 29, 2021. REUTERS/Go Nakamura

An asylum-seeking migrant child from Central America is held by her mother while waiting to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 29, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America wait to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura


Asylum-seeking migrant families from Guatemala and Honduras disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Central America wait to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Unaccompanied minor migrants from Central America are processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura TPX IMAGES OF THE DAY

Asylum-seeking migrant families from Central America wait to be processed by the U.S. Border Patrol agents after crossing the Rio Grande river into the United States of America from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Guatemala and Honduras arrive to the U.S. side of the bank on an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrants families from Guatemala and Honduras walk to the main road after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Guatemala pray after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Guatemala disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Guatemala and Honduras arrive to the U.S. side of the bank on an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Asylum-seeking migrant families from Guatemala disembark from an inflatable raft after crossing the Rio Grande river into the United States from Mexico in Roma, Texas, U.S., July 28, 2021. Picture taken July 28, 2021. REUTERS/Go Nakamura

Nicolas, 29, from Switzerland, jumps in front of the Tagus River, amid the coronavirus disease (COVID-19) pandemic, in Lisbon, Portugal, July 28, 2021. REUTERS/Nacho Doce

The City of London financial district is seen as people sit aboard a sightseeing boat on the River Thames, amid the coronavirus disease (COVID-19) pandemic in London, Britain, July 27, 2021. REUTERS/Henry Nicholls

Tower Bridge can be seen as people walk along the River Thames, amid the coronavirus disease (COVID-19) pandemic in London, Britain, July 27, 2021. REUTERS/Henry Nicholls

The City of London financial district is seen as people wearing protective face masks walk along the River Thames, amid the coronavirus disease (COVID-19) pandemic in London, Britain, July 27, 2021. REUTERS/Henry Nicholls

Tower Bridge can be seen as people walk along the River Thames, amid the coronavirus disease (COVID-19) pandemic in London, Britain, July 27, 2021. REUTERS/Henry Nicholls

Tower Bridge can be seen as people walk along the River Thames, amid the coronavirus disease (COVID-19) pandemic in London, Britain, July 27, 2021. REUTERS/Henry Nicholls

The City of London financial district is seen as a man wearing a protective face mask walks along the River Thames, amid the coronavirus disease (COVID-19) pandemic in London, Britain, July 27, 2021. REUTERS/Henry Nicholls

Tower Bridge can be seen as people walk along the River Thames, amid the coronavirus disease (COVID-19) pandemic in London, Britain, July 27, 2021. REUTERS/Henry Nicholls

U.S. firefighters remove the body of a person from the Rio Bravo river in El Paso, Texas, U.S., as seen from Ciudad Juarez, Mexico July 26, 2021. REUTERS/Jose Luis Gonzalez

U.S. firefighters remove the body of a person from the Rio Bravo river in El Paso, Texas, U.S., as seen from Ciudad Juarez, Mexico July 26, 2021. REUTERS/Jose Luis Gonzalez

U.S. firefighters remove the body of a person from the Rio Bravo river in El Paso, Texas, U.S., as seen from Ciudad Juarez, Mexico July 26, 2021. REUTERS/Jose Luis Gonzalez

Mary Simon, her husband Whit Fraser, Canada's Prime Minister Justin Trudeau and his wife Sophie Gregoire Trudeau watch drumming performed by the Ottawa River Singers as Simon arrives to be sworn in as the first indigenous Governor General during a ceremony on Parliament Hill in Ottawa, Ontario, Canada, July 26, 2021. REUTERS/Christinne Muschi

Mary Simon, her husband Whit Fraser, Canada's Prime Minister Justin Trudeau and his wife Sophie Gregoire Trudeau watch drumming performed by the Ottawa River Singers as she arrives to be sworn in as the first indigenous Governor General during a ceremony on Parliament Hill in Ottawa, Ontario, Canada, July 26, 2021. REUTERS/Christinne Muschi

Greg Peters, Usher of the Black Rod (UBR), invites Mary Simon, her husband Whit Fraser, Canada's Prime Minister Justin Trudeau and his wife Sophie Gregoire Trudeau to watch drumming performed by the Ottawa River Singers as she arrives to be sworn in as the first indigenous Governor General during a ceremony on Parliament Hill in Ottawa, Ontario, Canada, July 26, 2021. REUTERS/Christinne Muschi

Mary Simon, her husband Whit Fraser, Canada's Prime Minister Justin Trudeau and his wife Sophie Gregoire Trudeau watch drumming performed by the Ottawa River Singers as she arrives to be sworn in as the first indigenous Governor General during a ceremony on Parliament Hill in Ottawa, Ontario, Canada, July 26, 2021. REUTERS/Christinne Muschi

Fishermen are seen on boats on the Nile River on the outskirts of Cairo, Egypt July 23, 2021. Picture taken July 23, 2021. REUTERS/Mohamed Abd El Ghany

Fishermen are seen on boats on the Nile River on the outskirts of Cairo, Egypt July 23, 2021. Picture taken July 23, 2021. REUTERS/Mohamed Abd El Ghany

A fisherman and his family are seen on a boat on the Nile River on the outskirts of Cairo, Egypt July 23, 2021. Picture taken July 23, 2021. REUTERS/Mohamed Abd El Ghany

Fishermen are seen on boats on the Nile River on the outskirts of Cairo, Egypt July 23, 2021. Picture taken July 23, 2021. REUTERS/Mohamed Abd El Ghany