Introduction to the "walking" stone: On the dry river bed, the most amazing thing is the "walking" stone (Racetrack Playa). There is a long track behind these stones, that is, they leave deep grooves on the bottom of the lake during their "walking" process. Some of these stones weigh hundreds of kilograms. There are currently several explanations for this phenomenon, including the movement of animals or humans, the action of wind, and the action of ice. However, there is no single explanation that can definitely explain the "walking" of the stones. the real reason.