《史记·十二本纪·秦始皇本纪》
于是始皇非常生气，让刑徒三千人把湘山上的树木砍光了，全山露出红色的土壤。
於是始皇大怒，使刑徒三千人皆伐湘山树，赭其山。
The First Emperor was very angry, so he ordered 3,000 criminals to cut down the trees on Xiangshan, and the whole mountain was covered with red soil.