Because it’s a well-known image, you’ve probably seen it somewhere else. As a result of the virality of a picture, this is one of the most popular Internet puzzles.
In Death Valley, stones may be discovered swaying in the sand without being pushed by anybody or anything. We are still baffled as to what is causing this, despite the fact that several possibilities have been put up. Isn’t nature, after all, the greatest puzzle of them all?