
Original title: Perla w koronie
When it is discovered that the Zygmunt mine in Upper Silesia has been deemed unprofitable and is to be closed by flooding, the miners go on strike and a violent demonstration ensues.



















6.9
6.6
6.1
6.9
5.9
7.2
7.0
6.1
6.5
6.8
5.9
6.3
6.4
7.0
7.0
6.8
7.0
6.9