The soul of a modern infrastructure engineer traveled back to the first year of Zhenguan and became a refugee on the verge of starvation. He exchanged a bowl of braised pork for the attention of Li Shimin who paid a private visit incognito. From then on, he entered the game with "unconventional skills" and built sewers, cement roads, and libraries under Chang'an City. He quietly reshaped the Tang Dynasty with modern engineering, paving the way for all nations to come to the dynasty with the roar of steel and steam.
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