Drones Make the Difference Between a Wall and a "Smart Fence" for Border Patrol - DRONELIFE:
"The concept of building a wall for border control is certainly nothing new – parts of the Great Wall of China were built as early as 771 BC – but some governments are finally updating the concept. Drones will be used as part of a “smart fence” strategy to protect the India-Bangladesh border by next year, the Times of India reports.
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'via Blog this'