Chief of Staff of Da Qin

Only those who measure the world will know how big it is. 219 BC, the twenty-eighth year of Qin Shi Huang. The six kingdoms were first destroyed, and the sea was unified. What is the territory of the world? Where are the county boundaries? Why do rivers overflow? How to balance the north and the south? No one in the civil and military circles of the dynasty could answer. The First Emperor had the world in mind, but he did not know that the world was vast, far larger than a corner of the Central Plains. At this time, a young man named Chu Jiang fell into this era with a mind full of contour lines, coordinate systems and hydrological models. He is a top surveyor in the Department of Surveying and Mapping of Peking University and the bearer of the origin of the remnant soul of King Chujiang of the underworld. Starting from an accurate map of counties and counties, he revised the Qin Dynasty's extensive territorial cognition, determined the chaotic boundaries of counties and counties, and controlled the Yellow River floods that had raged for thousands of years. The First Emperor asked him: "How big is the world?" He spread out a map with seven continents, four oceans, and thousands of countries on it. The First Emperor was silent for a long time and said, "I want them all." From the unknown commoner to the chief minister of the Qin Dynasty, from demarcating territory to expanding overseas, from measuring the earth to looking up at the sea of ​​stars - Chu Jiang used a pen, a picture, and his true skills in modern surveying and mapping to forcibly forge a path of civilizational leap in this era of iron and blood. ——When the surveyor traveled across the Qin Dynasty, the world was no longer just "the world". This article does not set a female protagonist