The doctor of science and engineering transformed into Fusu and was imprisoned at the beginning. The bound Tiangong system allowed the cement blast furnace to arrive in the Qin Dynasty two thousand years ahead of schedule. When Ying Zheng thought his son was going to seize the throne, Fusu pointed to the west: "Father, our battlefield is the entire world." The day the first hot air balloon rose was the time when China rewrote the global pattern.