Donald Trump's wall: How tech guards the US-Mexico border : salma nouri : 2019-02-10T08:03:04Z dimanche, 10 févr. 2019 - 08:03 AM Camera-laden towers and underground sensors plug the gaps in the existing US-Mexico border fence. from BBC News - World https://bbc.in/2SC1TGG Facebook Twitter Google Plus BBC News - World Derniers articles
