For example, Zheng Jionghui's grandfather ran a mine in Jinguashi during the period of Japanese rule. By illustrating every step of the waterwheel-driven gold extraction process, Zheng has filled in a bit of Taiwan's mining history missed by field surveys and the photographic record.
例如日治時期祖父在金瓜石經營「鈔利搗礦場」的鄭炯輝，將當時用水車淘洗金砂的過程，一一用圖畫記錄下來，補白缺乏田野調查及攝影記錄年代的台灣採礦史。