Introduction to Giant Fingerprint: The texture on the stone here resembles the fingerprint of human fingers, but human fingerprints are very small, but the texture on the stone is very thick, so it is called "Giant fingerprint".
The ripple here is a typical flat wave mark. In the Red Rock Canyon of Longtan Grand Canyon, there are a large number of collapsed boulders. On the level of these boulders, you can see various types of The ripple mark is a rare "natural ripple mark museum" in China.

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