Zhou Lang would not leak the true power of the Great Zhou artillery.

Can now have artillery defenses.

There are only four places in the world today.

But it is enough to maintain the security of the Great Zhou border.

Blackstone Fort in the country of Wedge.

Qihe Pass on the northeastern border.

Huiyang County on the northern border.

......

Chapter 1916 Zeng Fan is retiring is in the middle of a hand-hitting, please wait a while,

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