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                                        v3 Chapter 988 Ordinary or extraordinary
                                
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... , a river system of such a huge diameter seems a little unusual.
In fact, this river system is indeed unusual. Xiao Yu found that his current theory of river evolution is difficult to explain why such a large river system was formed.
Of course, it is not known whether there is a larger river system in the universe in the unobservable range, but one thing is certain, this is a big guy, and it is an unusual big guy.
Here, there is one point that needs to be explained clearly. ...
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