US reveals 4 firms selected to build prototypes for border wall

 09/01/2017 - 04:05
Marta Sandoval, 36, lays out clothing to dry in front of the US-Mexico border wall on the bank of the Tijuana River canal, which has become home to hundreds of people deported from the US, in Tijuana, Mexico, 03 May 2013. EPA-EFE FILE/DAVID MAUNG

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