The black smoke establishes the feeling of movement of work in progress and also of suffocation. Hsu used a high-speed shutter to save for eternity a scene now impossible to find.
那源源冒出的黑煙，突顯了工作進行中的動感以及現場的壓抑，徐清波悄然地按下快門，為這已然消失卻又亙古不滅的生產景觀，留下有力而生動的一瞥。