《徐霞客游记·粤西游日记三十五》
又向南沿东面的石崖凌驾在前边一座桥的东头，就见桥背平整，横架在两面石崖之间，桥下中空向内裂开，是天设的石桥。
又南缘东崖凌前梁之东，则梁背平整，横架于两崖之间，下空内豁，天设徒杠独木桥。
In the south, along the eastern cliff, stood above the east head of the bridge ahead. The back of the bridge was flat, lying across between the two cliffs, and the bottom of the bridge was hollow and cracked toward the inside—this was a natural stone bridge.