《徐霞客游记·粤西游日记二十九》
由它上面沿石崖又向南走入峡中，渐渐上走渐渐窄起来，有岩石横跨在峡上，像飞桥一样。
由其上循崖又南入峡中，渐上渐隘，有石横跨其上，若飞梁焉。
From it, I walked south along the cliff and entered the canyon, and gradually walked up and narrowed down. There were rocks across the canyon, like a flying bridge.