《徐霞客游记·滇游日记十二》
洞顶也有石头倒悬，因为太高，反而不觉得有伸屈自如之美。
洞顶亦有石倒骞，以高甚，反不觉其夭矫。
There were also overhanging stones on the ceiling of the cave, but because they were so high, they didn't give the impression of being supple.