The room is colder than it should be — fifteen degrees, by design — and louder than it should be, and lit by tape drives that pre-date the photographer by a decade. Two engineers keep the machine running on shifts. Neither will be replaced when they retire.
The bank, which prefers not to be named in print, has tried four times to migrate. Each time the rewrite has taken longer than projected and the underlying business logic has resisted being made legible. The mainframe wins by default.