Backup power generators? Security control room? There are tens of reasons why you'd put some parts of your estate underground
>why you'd put some parts of your estate underground
My question was more about the specific combination of 1) underground 2) in each corner.
I can come up with a plausible reason for either, but not in combination
>why you'd put some parts of your estate underground
My question was more about the specific combination of 1) underground 2) in each corner.
I can come up with a plausible reason for either, but not in combination