Up and down the court of the Great Song Dynasty, everyone gritted their teeth at Xixia, but they also had a fear of summer.

Without him, just because the Great Song Dynasty suffered too much in the Western Xia, the Western Xia and the Great Song Dynasty fought for many years, although they won and lost each other, but the Great Song Dynasty suffered heavy losses every time.

Now the summer phobia of the hundred officials of the Great Song Dynasty has finally been cured by a medicine, that is, gunpowder.

As more and more iron shells were delivered, their shapes became more and more perfect and powerful.

Chapter 160 of "The Great Song Dynasty Doctor: The Beginning and Li Qingzhao's Private Life" is in the middle of the hand, please wait for a while,

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