... This is an open wilderness. The land here is quite barren and not suitable for farming. There are only some crooked trees and messy weeds growing there. This is a very ordinary scene on the earth.
However, there were some strange circular marks on a piece of rather moist soil not far away. It's like being run over by something...
Ps: This is a short story, if there is anything illogical about it, please don't comment.
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