Civil engineer Lin Yan once traveled through time and became a 'thin' burden to the primitive tribe who was about to be sacrificed.
Starting in hell mode, he silently lit up the technology tree.
Drilling wood to make fire is just the beginning;
Make pottery and build houses to improve life;
Farm and breed, say goodbye to hunger.
While other tribes were still fighting for a piece of raw meat, his tribe had built high walls and ate millet porridge and braised pork.
However, prosperity attracts greedy eyes. When a powerful enemy came to the city, Lin Yan stood on the city wall he designed, with a neat team of archers behind him.
He smiled and said: "Welcome to my construction site
