There is a "heart of the earth" in the northwest desert

The earth is also a living body, and there should be "five internal organs"! There is a "heart of the earth" in the hinterland of the northwestErgri Desert It is said that a hundred years ago the lake dried up, this heart was exposed, this is Ulan Lake, there is no label on the map, and it is gradually known to self-driving people, but it is still a little difficult to find her