But he was afraid the film wouldn't have enough light, so he ended up shooting a piece of cotton being slowly drawn across in front of a light bulb.
可是，他擔心夜間拍攝實景，底片感光度不夠、效果不好，於是，想到以圓形燈泡及貼上棉花的玻璃為道具，慢慢移動棉花、遮住燈泡，呈現出他企圖表達的氣氛。一次「OK」，不准「NG」