"Everyone was always behind with the digging," frankly states Liu Pao-ching, who worked in the Chingshui mines for many years. "Where was there time for retaining walls?"
「挖都來不及，那有時間做擋土牆？」在清水礦場工作多年的劉寶經坦承，過去業者都把碎石棄置河道，也從未在礦區做過植生復原。