《徐霞客游记·滇游日记三十五》
此洞向北，高悬在石壁间，洞口非常狭窄，而洞中也是又窄又深，污秽之气扑人，只得舍弃了它。
其窦北向悬壁间，其门甚隘，而中亦狭而深，秽气扑人，乃舍之。
This cave was northward, hanging high between the stone walls. The entrance was extremely narrow, and the interior was also narrow and deep. The stench was unbearable, so I decided to abandon it.