Abandoned mine passage, even the break-up is abandoned.
Nowadays when we go down to subway stations.
whether it is local city railways or railways out of the cities.
Then they are mostly like carved out of marble,
smooth and “well-groomed” – from the start, later they can look very used.
Ancient mine tunnels are actually often established in the same way,
only without the smooth and “well-groomed” from the start.
Workplace without perks, maybe those which are active still is it too.?