>>15770187> a hole that deep with such a small circumference I would imagine they use existing natural caves. That reduces the workload by a lot.
> the angle doesnt make senseDifferent sites have different angles.
> i say its a bug due to reception. Could be. But why is there a pattern for these locations. The majority can be found below stadiums, shopping malls etc and in the case of Canberra there's the national parliament building on top of such a hole.
Also: I know one such structure myself. The upper part is publicly accessible and you can see the bigger structure when inside.
> not trying to be a buzzkill or shill just my honest opinionThat's ok. I'd prefer that answer myself. But it is strange and possible enough to be a fun curiosity worth pursuing.
>>15770188top: 5315 feet
bottom: 56 feet
