《徐霞客游记·粤西游日记二十七》
由石柱左边进去，那洞穴渐渐暗下来，不久见到一缕透射进来的亮光，当地人又编了竹篱隔断了那狭窄之处。
由柱左北入，其穴渐暗，既得透光一缕，土人复编竹断其隘处。
Go inside from the left side of the stone pillar, the cave gradually becomes darker, and soon a ray of light penetrates through, and the locals have also woven bamboo fences to separate the narrow place.