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Old 08-06-2018, 10:34 PM   #144 (permalink)
freebeard
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Perforated fence (triple concertina works just fine) for visibility; right-of-way for pave two-lane down to unpaved one-lane roadway; then The Wall proper. Which should have a mono-rail track on top for mobile watchtowers that can be repositioned as needed.

A knock-on effect would be Mexico enforcing their own Southern border.
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