The Understanding Is Incredible. at the Beginning, Two Roast Ducks Go North!

Traveling through the Qing Dynasty, you start as a fat man with two roast ducks heading north. Fortunately, Li Fei was very smart at the beginning of Tianbeng. Not only did he fool him, he also successfully awakened his heaven-defying understanding. From now on, embark on a cheating life! When he made a black powder gun with his hands, his incredible understanding allowed him to instantly acquire the craftsmanship of a matchlock gun. Improve the matchlock gun and get the AK47 design drawing immediately. When he built a three-story building, the construction drawings of a skyscraper emerged in his mind. When he built the world's first elevator, he had already begun planning where to build the sky elevator! In this way, Li Fei brought the whole world into the era of interstellar civilization step by step. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.