Chapter 91: Papermaking Ice-Making Method

ge men as they struggled to erect this massive wooden structure by the river. A series of paddle-like blades, arranged in a circle, began to rotate with the flow of water...Li Yuyao suddenly realized...have figured out some things, there are still some key points I don't quite understand.""Well then, what do you think" Yang Lin raised his chin, gesturing for Li Yuyao to speak.Li Yuxiang opened her m...