A doctor with a degree in architecture traveled through time and became the owner of a famine-stricken city. He burned cement, built culverts, and used work for relief. Three years later, he built the dilapidated city into the world's granary. The emperor sent troops to collect them, but a hundred thousand troops could not break through a concrete wall.
Su Chen: "Don't worry, the second phase of the project hasn't started yet."
