《徐霞客游记·滇游日记六》
而往南看则是东南面最开阔，这正是主峰分支山脉环绕于板桥各处之地，不知道这里为什么其脊反而低伏？
而南望则东南最豁，此正老脊分支环于板桥诸处者，不知此处何以反伏其脊？
Looking south, I saw that the southeast was the most open. This is where the main peak is surrounded by the branches of the mountain range around Banqiao. I wonder why its ridge is lower here?