HD
| Release Date | : | May 26, 1939 |
| Runtime | : | |
| Genres | : | Documentary |
| Production Company | : | A-B |
| Production Countries | : | Czechoslovakia |
| Casts | : | |
| Plot Keywords | : | mining, coal mine |
Promoted Content
HD
| Release Date | : | May 26, 1939 |
| Runtime | : | |
| Genres | : | Documentary |
| Production Company | : | A-B |
| Production Countries | : | Czechoslovakia |
| Casts | : | |
| Plot Keywords | : | mining, coal mine |