《徐霞客游记·粤西游日记二十九》
坐上木筏从潭中进去，仰望洞顶好像云雾一样飘缈，谁想得到就是先前凌空横跨而下的地方呢！
从潭中浮筏以入，仰洞顶飘渺若云，孰意乃向之凌跨而下者耶！
Get on a raft and go in from the pool. Looking up, the ceiling of the cave seems to be misty and ethereal. Who would have thought that it was the place we had crossed before?