I personally like the 30 foot wall with razor spikes at the top. The risk of death climbing over that wall would be too great for even the bravest of souls.
Don't forget Elon's tunnel boring machine. Can't let that fall into enemy hands.After that, all that's left to do is to ban all air traffic with Latin America. Job well done!
Don't forget Elon's tunnel boring machine. Can't let that fall into enemy hands.
All that being said.... I vote for the see-thru wall.
One more hit in the head by a 60# bag of drugs (launched from a catapult) whilst out on my midday stroll thru the barren deserts of Southern AZ... ... and I'll be shorting the S&P.
We are not on an island.
Surrounded by water.
Ocean water.