A small youtube channel I follow just posted a video about these- specifically one next to an unfriendly military base on a street aptly named “ha ha road”.
Ha-ha wall
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Re: Ha-ha wall
#12Does a moat count as a ha-ha wall?
Although it serves something of a similar purpose, a moat interrupts the view and usually doesn’t slope on one side only.
Re: Ha-ha wall
#13Seems relatable to contemporary digital paywalls and walled garden variants.
Or perhaps more broadly consumption-oriented (popular mobile) platforms versus general computing. As the young and curious user approaches, the limits of the permissioned experience, previously hidden, suddenly loom large. The realization that one is constrained by the willful labours of an opposed miscreant creator either weighs heavy or is denied... as another meaningless notification redirects their attention to t…
That's a good analogy.
Unfortunately the young is left on the unfortunate side of the "wall".
Re: Ha-ha wall
#14To be installed around the Berlin Reichstag
https://www.tip-berlin.de/berlin-considers-security-moat-for...
Re: Ha-ha wall
#15Not suggesting this should be done, but for the sake of practical engineering argument, if a wall like this was used on the southern border, and I guess in areas where there is no hill it would have to be essentially a moat, with this theoretically save a lot of money over into nonsensically expensive concrete wall that offers a similar level of human blocking power?
Re: Ha-ha wall
#16See also the 'Punic ditch'. I can't find a good description online ([1] is the most specific), but basically it's a fortification comprising a human-scale haha with the wall on the outward side, and the slope on the inward side. The idea is that attackers can cross it easily, by jumping down the wall, then charging up the slope, at which point you open fire on them, then when they turn to run way, they have to climb up the wall to escape, at which point they are sitting ducks.
These ditches are called Punic not because they were invented by the Carthaginians (Punic is the adjective for things from Carthage, don't ask me why), but because they were incredibly brutal, and Rome's early wars with Carthage were so horrific, they became a byword for anything eye-wateringly cruel like this.
[1] https://luntfort.wordpress.com/2012/11/28/punic-ditches/
Re: Ha-ha wall
#17Not suggesting this should be done, but for the sake of practical engineering argument, if a wall like this was used on the southern border, and I guess in areas where there is no hill it would have to be essentially a moat, with this theoretically save a lot of money over into nonsensically expensive concrete wall that offers a similar level of human blocking power?
They're even more vulnerable to the 'ladder' attack than a regular wall, since you don't have to worry about the drop on the other side of the wall.
Re: Ha-ha wall
#18It does seem a little bit dangerous if there's no warning signage at the top. I could imagine someone running off the top landscape by accident if it's hard to see the divider.
Re: Ha-ha wall
#19I have heard or read allegations that there is a wall like this along parts of the border between North and South Korea.
Re: Ha-ha wall
#20Apple Park implements this as well to hide the fence (and the city of Cupertino) from the employees inside.