Extraterrestrial Son

Outside the earth, it is generally believed that there is a highly civilized world. However, in ancient times, humans on earth occupied many planets and brought civilization with them. Yu Mo invested his own money to form a scientific research team and invented an aircraft that traveled close to the speed of light to travel through the solar system and conduct exploration. Other planets are inhabited by humans and have indigenous tribes, and those on Earth in the past called themselves "Sons of the Earth." Yu Mo was surprised to find that the civilization brought by human beings, who claimed to be "sons of the earth," had gradually regressed and had already returned to the farming era.