Where the phrase comes from · Card no. 4079
From the salt mines of Siberia, worked by convicts and prisoners of war, which made them the standard example of grim labor. Back to the salt mines became a joke about returning from lunch, which is a very safe distance from the original.
No such place exists, which has never stopped anyone from going. Every card here is an original painting of a phrase, free to send by email or by link.