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This combination of pictures shows the eight prototypes of US President Donald Trump's US-Mexico border wall being built near San Diego, in the US, seen from across the border from Tijuana, Mexico, on October 22, 2017. 
Following up on President Donald Trump's campaign promise to build a wall along the entire 3,200 kilometre (2,000 mile) Mexican frontier, the Department of Homeland Security began building prototypes for the barrier along the border in San Diego and Imperial counties, as it announced in August. / AFP PHOTO / GUILLERMO ARIAS        (Photo credit should read GUILLERMO ARIAS/AFP/Getty Images)
This combination of pictures shows the eight prototypes of US President Donald Trump's US-Mexico border wall being built near San Diego, in the US, seen from across the border from Tijuana, Mexico, on October 22, 2017. 
Following up on President Donald Trump's campaign promise to build a wall along the entire 3,200 kilometre (2,000 mile) Mexican frontier, the Department of Homeland Security began building prototypes for the barrier along the border in San Diego and Imperial counties, as it announced in August. / AFP PHOTO / GUILLERMO ARIAS        (Photo credit should read GUILLERMO ARIAS/AFP/Getty Images)

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    Estos son los prototipos finalistas para el muro de Trump

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Estos son los prototipos finalistas para el muro de Trump

La promesa de campaña de Trump está tomando forma. Esta semana se presentaron en San Diego los prototipos finalistas del muro fronterizo entre Estados Unidos y México.

Estos son los prototipos finalistas para el muro de Trump

La promesa de campaña de Trump está tomando forma. Esta semana se presentaron en San Diego los prototipos finalistas del muro fronterizo entre Estados Unidos y México.