Repairing the Tang Dynasty

[Travel + pastoral + technology + war + slow pace] Lin Chu accidentally traveled to the Tang Dynasty. Natural disasters occurred frequently in the second year of Zhenguan. He used science and technology to improve production tools and plant new crops to help the people of the Tang Dynasty tide over the difficulties. He also manufactured high-tech weapons to reduce the dimensionality and attack the invading enemies. Regarding love: The things with Princess Changle, and... The ex-girlfriend who should be the soul-piercing one. ▶ The first surprise: Use the remaining cephalosporins to revive Queen Changsun Use the pumpkin seeds left in the gift box to save thousands of victims There were actually time travelers before him Use various learned technologies to improve Datang's productivity "Your Majesty, I had a dream. I dreamed that a thousand years later, the descendants of these captives would say, 'Everything we have belongs to them!'" Li Shimin: "First smash their ancestors' mouths!" ▶ Shocking love: ✔️ Love and hate with Princess Changle ✔️ The girl in early summer seems to be far away, is she an enemy or a friend? ✔️ What would the Tang Dynasty be like if Li Chengqian fell in love with Wu Meiniang? ✔️… Volume 5, Chapter 1 It was the morning of the third day when Lin Chu and his party traveled back to modern times. Princess Changle walked out of the supermarket, holding a bag of vegetables in her hand, pouting and asking Chu Xia beside her: "If in the Tang Dynasty, a princess was asked to do housework, what crime would she be punished for?"