《徐霞客游记·滇游日记三十六》
峡底平整好似镶嵌成的，有如鸿沟样隔开，而峡中全是茅草塞路，一里路后还没有穷尽。
底平若嵌，若鸿沟之界，而中俱茅塞，一里未有穷极。
The valley bottom was flat, as though paved, and separated by the valley trench. The valley was full of weeds, blocking the path. After a li, I still hadn't reached the end.