Hello! Hello! Uncle Hat? I've traveled through time, I'm in the Qin Dynasty, and my time is limited, zizizi! The hat uncle who answered the phone was speechless and crazy. Why didn't you say you were Qin Shihuang? Just then. A coercive voice came, I am Qin Shihuang! In the Qilin Hall. Blast furnace steelmaking, steam power, and chemical foundations, Ying Zheng looked at the endless technology and his eyes shone brightly. I have seen the future you have sent me.