As the first administrative star discovered by human beings and successfully migrated, Tiandou has a history of thousands of years. This planet is about half as big as the original Doura. Fifty four percent of the planet's surface is covered by oceans, 40 percent of which is freshwater sea, and the other 60 percent is salt water sea. There was no life on the surface of the planet. After the arrival of mankind, the whole planet surface was developed with the power of science and technology. Although Tiandou itself has no living things, it has 80% of the environmental basis similar to Douluo. According to the estimation of human scientists, as long as the first cell organism appears, it may only take tens of thousands of years to create a civilized planet. The arrival of the interstellar colonization of Douluo will undoubtedly greatly increase this speed. The reason why Tiandou is named is to commemorate the most powerful country on the Douluo continent. Since the disaster caused by the beast ten thousand years ago, the whole fight
