Yelu Dezhong thought for a while before he spoke.

"Yuguan has almost lost its usefulness since the 16 states of Yanyun were ceded, and it has almost never been repaired in a hundred years."

Lin Mu nodded, what Yelu Dezhong said was good.

This Yuguan was originally used to defend against foreigners...

Chapter 350 of "The Beginning of the Three Kingdoms Liu Debate, But It's Crazy" Evil Tiger Ridge is in the middle of the hand, please wait a while,

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