He was transformed into a prisoner who built the Great Wall of Qin Dynasty, and was reborn one second before dying of cold and hunger. I took out my expertise from my previous life as an infrastructure engineer and drew the blueprint of the Chidao High-Speed Railway overnight. Ying Zheng's hands trembled when he looked at the drawings: This is worse than my Afang Palace! I calmly said: Your Majesty, after completing this, you can go to Xianyang in the morning and eat mutton in Jiuyuan at noon! The First Emperor named me the Chief Engineer of the Qin Dynasty on the spot, and all the civil and military officials in the court knelt: I am afraid this man is not the reincarnation of Lu Ban!