Direct YouTube link here.

...the diminished audience sat slackly and bored yet patient before the dark screen, suddenly illuminated, swept, by silent grotesque shadows of giants and spears and birds... – UTV, 28.

Warning Shadows (1923), dir. Arthur Robison, known in German as Schatten – Eine nächtliche Halluzination [Shadows – a Nocturnal Hallucination]. Like Das Cabinet des Dr. Caligari, the film relies its on striking use of light and shadows.