Datang Is a Powerful Country in Science and Technology

Li Yi, who traveled through time and came to the Tang Dynasty, got an all-in-one handcrafting system. Looking at the miserable life of the people without any entertainment, However, Li Yi's inventions happened to change the life of Datang unexpectedly time and time again. "Brother Li Yi, please take me to the sky to play again, okay?" Princess Changle looked at Li Yi with pitiful eyes. "Son-in-law, please see if you can give me a few more tanks of yours," Damn it, you want to tire me out! Li Yi rolled his eyes at Li Shimin This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.