Kanda is a geological wonder located in Jiuxiang Scenic Area, Yiliang County, Kunming City, Yunnan Province. Kanda is actually a group of large edge stone lakes. Its shape is similar to common terraces, but it is more like it was created by divine power, hence its name. Its geological name is Bianshiba. In Jiuxiang Scenic Area, due to its huge scale and large number, it is called Bianshi Lake Group by cave experts at home and abroad. Among them, the largest edge rock dam covers an area of more than 100 square meters and is about 10 meters deep. It is the largest edge rock dam among the developed cave scenic spots in the world today.