There is no technical way to build an impenetrable fence. Yet people build fences around their houses and gardens. Some of them fairly low. So low that an adult would have no problems crossing the fence. But the fences are still not without their use. They show where the limits are and they prevent the intrusion of little kids ... locked0wn said he doesn't need an impenetrable fence, just a kid preventing one!
Enoch was right!
Enjoy the last years of Rome.
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