《徐霞客游记·滇游日记二十》
右边又有像象鼻外垂形成的门，穿门往南，又有如轻纱悬空高卷的屏嶂。
其右复有象鼻外垂之门，透而南，复有悬绡之幛。
On the right, there is a door formed by an elephant's nose hanging outside. Go south through the door, and there is a screen like a light veil hanging in the air.