Race against the clock to build Trump's US-Mexican border wall

So far 668 kilometres of the new wall has been completed along the more than 3,000-kilometre border, according to an update from the US Customs and Border Protection agency on 30 November.

FILE: US border patrol agents lock the border wall gate at the conclusion of the Hugs Not Walls event on the US-Mexico border on 13 October 2018 in Sunland Park, New Mexico. Picture: AFP

PUERTO PALOMAS - Weeks before Donald Trump is due to leave office, workers are racing to build the hulking steel fence along the US-Mexican border that was a centerpiece of his presidency.

But if their aim is to finish the wall snaking through the desert before Joe Biden moves into the White House in January, then it is almost certainly mission impossible.

Instead, the president-elect looks set to inherit a partially built barrier that stands as a testament to Trump's tough policies towards undocumented migrants he once described as criminals and "rapists."

Biden is expected to halt work on a project he has criticised as a waste of $15 billion.

A month after the Democrat's election win, however, labourers were still erecting fencing on a stretch of border between the US village of Columbus in New Mexico and the Mexican town of Puerto Palomas.

Wearing hard hats and scarves to protect from the harsh sun and biting wind, they shifted earth and laid foundations for the barrier looming over the deserts of Chihuahua.

Construction was progressing at a pace of around 120 metres a day, one of the workers told a team of AFP journalists who visited the site.

At that speed, they could build around five and a half more kilometres by Trump's last day in office on 19 January.

"They haven't said that they're going to stop. If they've already spent money, how are they going to leave it unfinished?" the worker said, before his supervisor reminded him not to talk to reporters.

BROKEN BONES

So far 668 kilometres of the new wall has been completed along the more than 3,000-kilometre border, according to an update from the US Customs and Border Protection agency on 30 November.

Most of that is reinforcement of an already existing wall, which used to stand about four metres tall but now towers almost 10 metres high.

Construction has been focused on the most populated areas, where there are more illegal crossings.

While Trump's vow to build a "big, beautiful wall" across the border looks set to remain an unfulfilled promise for now, it has already left a legacy of shattered dreams and broken bones.

Many people have been badly injured trying to climb over the barrier, said Alejandro Calderon, a 55-year-old Cuban who runs a shelter for fellow migrants.

"I've seen men here with head injuries, broken arms, two broken feet. People who have come here in wheelchairs," he said.

"And not just two or three but many."

Time and again he has seen desperation take hold of people fleeing poverty and violence who jump into the forbidden land.

But what surprises him most is that the injured are often returned to Mexico without receiving medical attention.

"They send them back in that condition and we have to give them first aid even though we don't have any doctors," said Calderon, an engineer by profession.

'DIE FIGHTING'

Domingo Barahona, a 45-year-old Guatemalan, has made two failed attempts to enter the United States.

Now waiting in Puerto Palomas, he plans to try for a third time.

Just days earlier, he saw two undocumented migrants with gashes exposing the bones in their legs after throwing themselves over the wall.

"They didn't even get an aspirin while they were coming back from the United States," he said.

Barahona left a 12-year-old son behind at home but sees the United States as his only chance to avoid the fate of his brother, a policeman killed by "bad people."

"I'm going to die fighting and not sitting around waiting for them to kill me," he said.

For him and other migrants hoping to reach the United States, Trump's defeat has brought hope of a reversal of his harsh policies.

Biden "seems to be a very humane person," said Elienai Lopes, a 27-year-old Brazilian who has made four failed attempts to cross.

"Trump doesn't seem to like migrants," he said.

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