Although the five lakes in Wudalianchi are separated by banks formed by lava, they are still connected through the caves at the bottom of the lakes.

What is particularly surprising is that because the materials at the bottom of the five lakes are different and the water quality is also different, the colors are also different.

Especially the fish naturally produced here is a favorite delicacy of local people.

"Mineral fish, it lives in cold water and mineral water, so our locals call this fish mineral fish. It is a cold water fish. Sometimes other fish we eat have an earthy and fishy smell, but our fish

Living in cold water, it grows slowly and its meat is relatively tender. Moreover, it is fished out from the lake and stewed in the metasilicate mineral water of Wudalianchi. It is called river fish stewed locally, so it has an authentic taste.

"The five Wudalianchi ponds have their own characteristics: the first pond is full of lotus flowers, the second pond is a natural fish farm, the third pond has the largest water surface and the best scenery, and the fourth and fifth ponds have vast reed wetlands, which are the most popular places for wild water birds.

Ideal habitat.

On the shore of Erchi, I saw some local people putting the caught fish into skewers, grilling them, and selling them to tourists.