Cheng Runnian actually thought very simply, defend the city, and it is also a single channel to defend the city, this is very easy to guard, the catapult goes to the city tower, can you get by?

You can't even touch the city walls, and you still talk about a fart siege, even if you force it over, the casualties will inevitably be very large.

In the era of cold weapons, there are no aircraft and artillery, where is it so easy to attack the city, plus this kind of natural danger is the best to defend, how can Cheng Runnian ......

"Why Does the Emperor Always Want to Cut Me" Chapter 139 You are quite savage with this technology tree is hitting with your hand, please wait a moment,

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