You can pump natural gas inside and light a match.
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Seismic sensors can detect any attempt to tunnel under the wall.
https://www.nbcnews.com/politics/imm...-sawed-n956856
You can cut through it with a saw.
Okay. Put the concrete-filled steel slats flush side to side. Cost increase would be about 25%, but it would shut up ABCNNBCBS, at least for now.
The hot air coming out of Congress costs more than that. :grin:
New thread because you peeps have it all dead wrong, as usual.
Now, take issue with my thread if you got anything LOL.
Double or triple the width of the concrete-filled slats and set them side by side so it's essentially solid.
Good luck getting through that!
I don't think you could see it from the moon, however, and that's a disappointment. :sad:
If they are 16x16, make them 32x10, abutted lengthwise as a solid wall. No way anything but a Stan Lee character could cut through that.
Like tiktiktik, lol.
She/he/it looks like a Stan Lee character.
Every prototype was breached.
Walls work great as long as the people you want to keep out are native to the 8th century.