Sunday, 10 February 2019

Donald Trump's wall: How tech guards the US-Mexico border

Camera-laden towers and underground sensors plug the gaps in the existing US-Mexico border fence.

from BBC News - World https://bbc.in/2SC1TGG

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Sunday, 10 February 2019

Donald Trump's wall: How tech guards the US-Mexico border

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Sunday, 10 February 2019

Donald Trump's wall: How tech guards the US-Mexico border

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