Outside Xianyang Palace, Ye Tian raised his head and looked at the magnificent palace, his heart churning violently. Traveling through time for half a year, he worked in the village and tinkered with the curved shaft plow, papermaking, and cement, and became increasingly famous. In his spare time, he drew a map of the world and passed it to the First Emperor. Ying Zheng immediately ordered to summon him. Other time traveler systems followed, and he only had the memory of nine years of compulsory education. Today, I finally got to see the eternal emperor.