A Scientific Researcher's Journey Through the Northern Song Dynasty

A modern scientific researcher traveled back to Wumeng Mountain in the early Northern Song Dynasty. There is no system, no plug-ins, only the knowledge in the head. He led the mountain people to resist violence, went to Beijing for scientific research, quelled famines and suppressed rebellions, and spread modern civilization to the Song Dynasty - only to discover that another time traveler had arrived a hundred years ago. They finally came to the same conclusion: Newly learned trees cannot grow on the soil of the old world. The way home was right in front of him, but he was willing to stay and build a beacon of civilization for the times.