Tula is an industrial city located almost 200 kilometres south of Moscow. Unfortunately I wasn't able to identify this building, which is still standing and in use. The caption on the back of the card is covered in a label.
I received this via Postcrossing and have to salute them. It came without it's identifying number which meant I couldn't register it as received, so the sender wouldn't get credit. I notified Postcrossing and within and hour or so, they had found the details and were able to send me the registration number. Excellent service.