valliant effort to use a mining catastrophe a a vehicle to pronounce this director distaste for war . the audience not only learn a great deal about early mining rescue procedure but and we learn that europeans at the interval between wwi and wwii and have concern pacifist ( for lack of a good term ) . the speech give by both representative of each country at the end of the film and be inspire give the time . although the revise edition and through the transfer technology of early foreign film and cut off character head at time and this film hold it own in many different aspect . character analysis and light technique and historical content and a scenario that have test and inspire many a writer and filmmaker . pabst go on to direct and put to screen weil and brecht three penny opera and star the original star and lotte lenya .