US 🇺🇸 send out prototype for border wall

Four companies were chosen to build prototypes for Donald Trump's planned border wall, US Customs and Border Protection (CBP) said.

The four concrete prototypes will be 30ft (9m) long and up to 30ft tall, and will be built in the coming months. Officials will then spend up to two months testing the walls for tampering and penetration resistance using small hand tools, CBP said.

The prototypes "will help us refine the design standards" of the eventual wall, acting CBP deputy commissioner Ronald Vitiello said.

"Testing will look at things like the aesthetics of it, how penetrable they are, how resistant they are to tampering, and scaling or anti-claim features."

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