Under a Stone Sky (1974)

In the autumn of 1944, contrary to the order of the Nazi command to evacuate to the south, residents of the Norwegian town of Kirkenes took refuge in an abandoned mine. The command of the Soviet Army became aware of the intentions of the Nazis to blow up the old tunnels of the city, but the Soviet soldiers managed to prevent the tragedy.

Unfortunately the movie Under a Stone Sky is not yet available on HBO Max.